Chong-Yun Kang Page 1 CHONG-YUN KANG

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1 Chong-Yun Kang Page 1 CHONG-YUN KANG Director, Principal Research Scientist Center for Electronic Materials Korea Institute of Science and Technology (KIST) Hwarangno 14-gil, Seongbuk-gu, Seoul, Korea Phone: , Fax: , cykang@kist.re.kr Professor KU-KIST Graduate School of Converging Science and Technology Korea University 145 Anam-ro, Seongbuk-gu, Seoul, Korea Phone : , kkachong@korea.ac.kr SUMMARY Electronic materials and applications specialist with specific expertise in piezoelectric actuators and metal oxide semiconductor thin films. Technical background includes; Piezoelectric materials and their applications Piezoelectric energy harvesting Micro piezoelectric actuators for camera module Omni-directional piezoelectric actuators for xy stage Multilayer piezoelectric actuators Low temperature cofired ceramic (LTCC) piezoelectric materials Metal Oxide materials and their applications Metal oxide semiconductor gas sensors Electrocaloric materiasls and applications Embedded thin film capacitor Microwave ferroelectric thin film tunable devices; phase shifter and tunable filter Low temperature sintering dielectric and ferroelectric thin films System on package (SOP)

2 Chong-Yun Kang Page 2 EXPERIENCE AND EDUCATION KIST, Seoul, Korea Principal Research Scientist Apr.2000-Present KU-KIST Graduate School, Korea Professor Sept.2012-Present Mechanical Eng., UCLA, USA Visiting Scholar Oct.2008-Nov.2008 EDT, University of Birmingham, UK Post-doctoral Researcher Sept.2002-Mar.2004 KIST, Seoul, Korea Research Student Sept.1995-Feb.2000 Yonsei University, Seoul, Korea Ph.D in Electrical & Computer Eng. Sept.1995-Feb.2000 Yonsei University, Seoul, Korea M.S in Electrical Eng. Sept.1993-Aug.1995 Yonsei University, Seoul, Korea B.S in Electrical Eng. Mar.1989-Feb.1993 TECHNICAL SKILLS Design feasibility: Comsol, ATILA, HFSS, MWS, ADS, Serenade, ANSYS Processing: Laser annealing, Laser lift off, E-beam evaporation, RF sputtering, Pulsed Laser Deposition, LTCC-MLC processing, etc Measurement: Network analyzers, Impedance analyzers, Laser vibrometer, Ferroelectric measurement

3 Chong-Yun Kang Page 3 ACHIEVEMENTS (2007-Present) 2017-present Conducting as a project leader on the project of Development of higheffieciency energy focusing and harvesting systems for IoT sensor networks funded by Korea Ministry of Science and ICT Conducting as a project leader on the project of Olfactory Bio Data based Emition Enhancement Interactive Content Technology Development funded by Korea Ministry of Science, ICT and Future Planning Conducting as a project leader on the project of Piezoelectric Energy Harvester Development and Demonstration for Scavenging Energy from Road Traffic System funded by Korea Ministry of Knowledge Economy Conducting as a project leader on the project of Embedded Technologies for Multi-functional Ceramics Thin Films funded by Korea Ministry of Knowledge Economy Working as a research member on the project of Development on Hybrid Energy Harvesting funded by Korea Ministry of Education Science Technology Conducting as a project leader on the project of Optimized PZT Thin Films for Glide Head funded by Korea Ministry of Knowledge Economy Conducting as a project leader on the project of Piezoelectric Thin Films for On-chip Integrated Applications by Manipulation of Local Bonding Units in Amorphous Solids funded by Korea Ministry of Education Science Technology Working as a research member on the project of Development on Functional Thin Film Materials for Driving USN Sensors funded by Korea Institute of Science and Technology Working as a research member on the project of Development for Design and System of Piezoelectric Actuator funded by Korea Ministry of Knowledge Economy Conducting as a project leader on the project of Development of Ultra Small Linear Motor and Its Module Using Piezoelectrics funded by Korea Ministry of Knowledge Economy

4 Chong-Yun Kang Page 4 PUBLICATIONS 1. Young Geun Song, Young-Seok Shim, Sangtae Kim, Soo Deok Han, Hi Gyu Moon, Myoung Sub Noh, Kwangjae Lee, Hae Ryong Lee, Jin-Sang Kim, Byeong-Kwon Ju, Chong-Yun Kang, Downsizing gas sensors based on semiconducting metal oxide: Effects of electrodes on gas sensing properties, Sensors and Actuators B: Chemical 248, (2017) - Corresponding Author 2. Soo Deok Han, Myoung-Sub Noh, Sangtae Kim, Young-Seok Shim, Young Geuon Song, Kwangjae Lee, Hae Ryung Lee, Sahn Nahm, Seok-Jin Yoon, Jin-Sang Kim, Chong-Yun Kang, Versatile approaches to tune a nanocolumnar structure for optimized electrical properties of In 2 O 3 based gas sensor, Sensors and Actuators B: Chemical 248, (2017) - Corresponding Author 3. In-Hwan Baek, Jung Joon Pyeon, Young Geun Song, Taek-Mo Chung, Hae-Ryoung Kim, Seung-Hyub Baek, Jin-Sang Kim, Chong-Yun Kang, Ji-Won Choi, Cheol Seong Hwang, Jeong Hwan Han, Seong Keun Kim, Synthesis of SnS Thin Films by Atomic Layer Deposition at Low Temperatures, Chemistry of Materials 29 (19), 8100 (2017) 4. Min-Sun Jang, Im-Jun Roh, Jungmin Park, Chong-Yun Kang, Won Jun Choi, Seung-Hyub Baek, Sung Soo Park, Jung-Woo Yoo, Ki-Suk Lee, Dramatic enhancement of the saturation magnetization of a sol-gel synthesized Y 3 Fe 5 O 12 by a mechanical pressing process, Journal of Alloys and Compounds 711, (2017) 5. Inki Jung, Youn-Hwan Shin, Sangtae Kim, Ji-young Choi, Chong-Yun Kang, Flexible piezoelectric polymer-based energy harvesting system for roadway applications, Applied Energy 197, (2017) - Corresponding Author 6. Bo-Yun Kim, Hyun-Gyu Hwang, Jong-Un Woo, Woong-Hee Lee, Tae-Ho Lee, Chong-Yun Kang, Sahn Nahm, Nanogenerator-induced synaptic plasticity and metaplasticity of bio-realistic artificial synapses, NPG ASIA MATERIALS 9 (2017) 7. Tae-Gon Lee, Ho-Jun Lee, Sun-Woo Kim, Dae-Hyeon Kim, Seung Ho Han, Hyung- Won Kang, Chong-Yun Kang, Sahn Nahm, Piezoelectric properties of Pb (Zr, Ti) O 3-Pb (Ni, Nb) O 3 ceramics and their application in energy harvesters, Journal of the European Ceramic Society (2017)

5 Chong-Yun Kang Page 5 8. Myoung-Sub Noh, Sangtae Kim, Do-Kyung Hwang, Chong-Yun Kang, Selfpowered flexible touch sensors based on PZT thin films using laser lift-off, Sensors and Actuators A: Physical (2017) - Corresponding Author 9. Soo Deok Han, Hi Gyu Moon, Myoung-Sub Noh, Jung Joon Pyeon, Young-Seok Shim, Sahn Nahm, Jin-Sang Kim, Kwang Soo Yoo, Chong-Yun Kang, Self-doped nanocolumnar vanadium oxides thin films for highly selective NO 2 gas sensing at low temperature, Sensors and Actuators B: Chemical 241, (2017) - Corresponding Author 10. Jun Min Suh, Young Seok Shim, Do Hong Kim, Woonbae Sohn, Youngmo Jung, Seon Yong Lee, Seokhoon Choi, Yeon Hoo Kim, Jong Myeong Jeon, Kootak Hong, Ki Chang Kwon, Seo Yun Park, Chulki Kim, Jong Heun Lee, Chong Yun Kang, Ho Won Jang, Synergetically Selective Toluene Sensing in Hematite Decorated Nickel Oxide Nanocorals, Advanced Materials Technologies 2 (3) (2017) 11. Haribabu Palneedi, Deepam Maurya, Gi Yeop Kim, Venkateswarlu Annapureddy, Myoung Sub Noh, Chong Yun Kang, Jong Woo Kim, Jong Jin Choi, Si Young Choi, Sung Yoon Chung, Suk Joong L Kang, Shashank Priya, Jungho Ryu, Unleashing the full potential of magnetoelectric coupling in film heterostructures, Advanced Materials 29 (10) (2017) 12. Xing-Hua Ma, Sang-Hyo Kweon, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, Young-Sik Kim, Synthesis and microwave dielectric properties of Bi 2 Ge 3 O 9 ceramics for application as advanced ceramic substrate, Journal of the European Ceramic Society 37 (2), (2017) 13. Kwangjae Lee, Young-Seok Shim, Young Geun Song, Soo Deok Han, Youn-Sung Lee, Chong-Yun Kang, Highly sensitive sensors based on metal-oxide nanocolumns for fire detection, Sensors 17 (2), 303 (2017) - Corresponding Author 14. Xing-Hua Ma, Sang-Hyo Kweon, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, Young-Sik Kim, Low temperature firing and microwave dielectric properties of Bi4 xge3o12 1.5x ceramics, Ceramics International 43 (2), (2017) 15. Cheol Jin Cho, Myoung-Sub Noh, Woo Chul Lee, Cheol Hyun An, Chong-Yun Kang, Cheol Seong Hwang, Seong Keun Kim, Ta-Doped SnO 2 as a reduction

6 Chong-Yun Kang Page 6 resistant oxide electrode for DRAM capacitors, Journal of Materials Chemistry C 5 (36), (2017) 16. Youngmo Jung, Hi Gyu Moon, Chaehyun Lim, Keunsu Choi, Hyun Seok Song, Sukang Bae, Soo Min Kim, Minah Seo, Taikjin Lee, Seok Lee, Hyung Ho Park, Seong Chan Jun, Chong Yun Kang, Chulki Kim, Humidity Tolerant Single Stranded DNA Functionalized Graphene Probe for Medical Applications of Exhaled Breath Analysis, Advanced Functional Materials (2017) - Corresponding Author 17. Jinsung Chun, Byeong Uk Ye, Jae Won Lee, Dukhyun Choi, Chong-Yun Kang, Sang-Woo Kim, Zhong Lin Wang, Jeong Min Baik, Boosted output performance of triboelectric nanogenerator via electric double layer effect, Nature communications 7 (2016) 18. Hyo Jin Gwon, Na-Ri Kang, Yunju Lee, Sung Ok Won, Hye Jung Chang, Ji-Won Choi, Chong-Yun Kang, Seong Keun Kim, Beomjin Kwon, Sahn Nahm, Ju-Young Kim, Jin-Sang Kim, Seung-Hyub Baek, Enhancement of Mechanical Hardness in SnO x N y with a Dense High-Pressure Cubic Phase of SnO2, Chemistry of Materials 28 (19), (2016) 19. Jong Hyun Kim, Dae Hyeon Kim, Tae Ho Lee, Tae Gon Lee, Ji Hyun Lee, Bo Yun Kim, Sahn Nahm, Chong Yun Kang, Jungho Ryu, Large Electrostrain in K (Nb1 xmnx) O3 Lead Free Piezoelectric Ceramics, Journal of the American Ceramic Society 99 (12), (2016) 20. Tae-Gon Lee, Ho-Jun Lee, Dae-Hyeon Kim, HaiBo Xu, Su-jin Park, Jong-Seong Park, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, Relation between structure and piezoelectric properties of (1-xy) PbZrO 3-xPbTiO 3-yPb (Ni 1/3 Nb 2/3) O 3 ceramics near triple point composition, Journal of the European Ceramic Society 36 (16), (2016) 21. Seon Young Moon, Cheon Woo Moon, Hye Jung Chang, Taemin Kim, Chong-Yun Kang, Heon-Jin Choi, Jin-Sang Kim, Seung-Hyub Baek, Ho Won Jang, Comprehensive study on critical role of surface oxygen vacancies for 2DEG formation and annihilation in LaAlO3/SrTiO3 heterointerfaces, Electronic Materials Letters 12 (2), (2016)

7 Chong-Yun Kang Page Hi Gyu Moon, Youngmo Jung, Soo Deok Han, Young-Seok Shim, Beomju Shin, Taikjin Lee, Jin-Sang Kim, Seok Lee, Seong Chan Jun, Hyung-Ho Park, Chulki Kim, Chong-Yun Kang, Chemiresistive electronic nose toward detection of biomarkers in exhaled breath, ACS applied materials & interfaces 8 (32), (2016) - Corresponding Author 23. In Hak Lee, Beom Soo Joo, Hyuk Jin Kim, Ye Seul Yun, Seun Yup Jang, Min Gyu Kang, Chong Yun Kang, Byeong-Gyu Park, Moonsup Han, Young Jun Chang, n Hak Lee, Beom Soo Joo, Hyuk Jin Kim, Ye Seul Yun, Seun Yup Jang, Min Gyu Kang, Chong Yun Kang, Byeong-Gyu Park, Moonsup Han, Young Jun Chang, Current Applied Physics 16 (6), (2016) 24. Woo Suk Jung, Min Jae Lee, Seok Jin Yoon, Won Hee Lee, Byeong Kwon Ju, Chong Yun Kang, Flexible Nanocomposite Generator Using PZT Nanorods and Ag Nanowires, International Journal of Applied Ceramic Technology 13 (3), (2016) - Corresponding Author 25. Hi Gyu Moon, Soo Deok Han, Min-Gyu Kang, Woo-Suk Jung, Beomjin Kwon, Chulki Kim, Taikjin Lee, Seok Lee, Seoung-Hyub Baek, Jin-Sang Kim, Hyung-Ho Park, Chong-Yun Kang, Glancing angle deposited WO3 nanostructures for enhancedsensitivity and selectivity to NO2 in gas mixture, Sensors and Actuators B (2016) - Corresponding Author 26. Woo-Suk Jung, Min Jae Lee, Seung-Hyub Baek, In Ki Jung, Seok-Jin Yoon, Chong- Yun Kang, Structural approaches for enhancing output power of piezoelectric polyvinylidene fluoride generator, Nano Energy 22, (2016) - Corresponding Author 27. IM-JUN ROH, BEOMJIN KWON, SEUNG-HYUB BAEK, SEONG KEUN KIM, JIN-SANG KIM, and CHONG-YUN KANG, Thickness-Dependent Electrocaloric Effect in Pb0.9La0.1Zr0.65Ti0.35O3 Films Grown by Sol-Gel Process, Journal of ELECTRONIC MATERIALS, 45 (2) (2016) - Corresponding Author 28. Woo-Suk Jung, Won-Hee Lee, Byeong-Kwon Ju, Seok-Jin Yoon, and Chong-Yun Kang, Enhanced Output Power of PZT Nanogenerator by Controlling Surface Morphology of Electrode, J. Nanosci. Nanotechnol. 15, (2015)- Corresponding Author

8 Chong-Yun Kang Page Kwang Soo Yoo, Soo Deok Han, Hi Gyu Moon, Seok-Jin Yoon, and Chong-Yun Kang, Highly Sensitive H2S Sensor Based on the Metal-Catalyzed SnO2 Nanocolumns Fabricated by Glancing Angle Deposition, Sensors 15, (2015)-Corresponding Author 30. Young-Seok Shim, Do Hong Kim, Hu Young Jeong, Yeon Hoo Kim, Seung Hoon Nahm, Chong-Yun Kang, Jin-Sang Kim, Wooyoung Lee, Ho Won Jang, Utilization of both-side metal decoration in close-packed SnO2 nanodome arrays for ultrasensitive gas sensing, Sensors and Actuators B (2015) 31. Min-Gyu Kang, Seung-Min Oh, Woo-Suk Jung, Hi Gyu Moon, Seung-Hyub Baek, Sahn Nahm, Seok-Jin Yoon, and Chong-Yun Kang, Enhanced piezoelectric properties of vertically aligned singlecrystalline NKN nano-rod arrays, Scientific Reports 5, (2015)-Corresponding Author 32. Shin-Ik Kim, Hyo Jin Gwon, Dai-Hong Kim, Seong Keun Kim, Ji-Won Choi, Seok- Jin Yoon, Hye Jung Chang, Chong-Yun Kang, Beomjin Kwon, Chung-Wung Bark, Seong-Hyeon Hong, Jin-Sang Kim, and Seung-Hyub Baek, Giant Electroresistive Ferroelectric Diode on 2DEG, Scientific Reports 5, (2015) 33. Woo-Suk Jung, Min-Jae Lee, Min-Gyu Kang, Hi Gyu Moon, Seok-Jin Yoon, Seung- Hyub Baek, and Chong-Yun Kang, Powerful curved piezoelectric generator for wearable applications, Nano Energy 13, (2015)-Corresponding Author 34. Woo-Suk Jung, Min-Gyu Kang, Hi Gyu Moon, Seung-Hyub Baek, Seok-Jin Yoon, Zhong-Lin Wang, Sang-Woo Kim and Chong-Yun Kang, High Output Piezo/Triboelectric Hybrid Generator, SCIENTIFIC REPORTS 5, 9309 (2015) - Corresponding Author 35. Jinsung Chun, Na-Ri Kang, Ju-Young Kim, Myoung-Sub Noh, Chong-Yun Kang, Dukhyun Choi, Sang-Woo Kim, Zhong Lin Wang, Jeong Min Baik, Highly anisotropic power generation in piezoelectric hemispheres composed stretchable composite film for self-powered motion sensor, Nano Energy 11, 1 10 (2015) 36. Bo-Yun Kim, In-Tae Seo, Youn-Seon Lee, Jin-Seong Kim, Sahn Nahm, Chong- Yun Kang, Seok-Jin Yoon, Jong-Hoo Paik, and Young-Hun Jeong, High- Performance (Na0. 5K0. 5) NbO3 Thin Film Piezoelectric Energy Harvester, J. Am. Ceram. Soc., 98 [1] (2015)

9 Chong-Yun Kang Page Jin-Seong Kim, Jae-Min Han, Mi-Ri Joung, Sang-Hyo Kweon, Chong-Yun Kang, Sahn Nahm, Electrical properties of (Zr,Ti)0.85(Ca,Sr)0.15O1.85 thin film grown on Pt/Ti/SiO2/Si substrate using RF magnetron sputtering, Ceramics International (2014) 38. Min-Jung Choi, Cheol Jin Cho, Kwang-Chon Kim, Jung Joon Pyeon, Hyung-Ho Park, Hyo-Suk Kim, Jeong Hwan Han, Chang Gyoun Kim, Taek-Mo Chung, Tae Joo Park, Beomjin Kwon, Doo Seok Jeong, Seung-Hyub Baek, Chong-Yun Kang, Jin-Sang Kim, Seong Keun Kim, SnO2 thin films grown by atomic layer deposition using a novel Sn precursor, Applied Surface Science (2014) 39. Mi-Ri Joung, Haibo Xu, In-Tae Seo, Dae-Hyeon Kim, Joon Hur, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon and Hyun-Min Park, Piezoelectric nanogenerators synthesized using KNbO3 nanowires with various crystal structures, J. Mater. Chem. A, 2, , (2014) 40. Joon Hur, In-Tae Seo, Dae-Hyeon Kim, Sahn Nahm, Jungho Ryu, Seung Ho Han, Chong-Yun Kang, and Seok-Jin Yoon, Piezoelectric Ceramics for Use in Multilayer Actuators and Energy Harvesters, J. Am. Ceram. Soc., 97 [10] (2014) 41. Jin Gwan Joung, Shin-Ik Kim, Seon Young Moon, Dai-Hong Kim, Hyo Jin Gwon, Seong-Hyeon Hong, Hye Jung Chang, Jin-Ha Hwang, Beom Jin Kwon, Seong Keun Kim, Ji-Won Choi, Seok-Jin Yoon, Chong-Yun Kang, Kwang Soo Yoo, Jin-Sang Kim, and Seung-Hyub Baek, Nonvolatile Resistance Switching on Twodimensional Electron gas, ACS Appl. Mater. Interfaces, 6, (2014) 42. Seung-Hwan Lee, Hong-Ki Kim, Min-Gyu Kang, Chong-Yun Kang, Sung-Gap Lee, Young-Hie Lee, and Jung-Rag Yoon, Development and Electrical Properties of (Ca0.7Sr0.3)(Zr0.8Ti0.2)O3 Thin Film Applied to Embedded Decoupling Capacitors, IEEE ELECTRON DEVICE LETTERS, 35, 7 (2014) 43. Young-Seok Shim, Lihua Zhang, Do Hong Kim, Yeon Hoo Kim, You Rim Choi, Seung Hoon Nahm, Chong-Yun Kang, Wooyoung Lee, Ho Won Jang, Highly sensitive and selective H2 and NO2 gas sensors based on surface-decorated WO3 nanoigloos, Sensors and Actuators B (2014) 44. Sangbaek Park, Chan Woo Lee, Min-Gyu Kang, Sanghyeon Kim, Hae Jin Kim, Ji Eon Kwon, Soo Young Park, Chong-Yun Kang, Kug Sun Hong and Ki Tae Nam

10 Chong-Yun Kang Page 10 A ferroelectric photocatalyst for enhancing hydrogen evolution: polarized particulate suspension, Phys.Chem.Chem.Phys., 16, (2014) 45. Min-Gyu Kang, Kwang-Hwan Cho, Jin-Sang Kim, Sahn Nahm, Seok-Jin Yoon, and Chong-Yun Kang, Post-calcination, a novel method to synthesize cobalt oxidebased thermoelectric materials, Acta Materialia 73 (2014) )-Corresponding Author 46. Beomjin Kwon, Im-Jun Roh,1 Seung-Hyub Baek, Seong Keun Kim, Jin-Sang Kim, and Chong-Yun Kang, Dynamic temperature response of electrocaloric multilayer capacitors, APPLIED PHYSICS LETTERS 104, (2014) )-Corresponding Author 47. Jinsung Chun, Keun Young Lee, Chong-Yun Kang, Myung Wha Kim, Sang-Woo Kim, and Jeong Min Baik, Embossed Hollow Hemisphere-Based Piezoelectric Nanogenerator and Highly Responsive Pressure Sensor, Adv. Funct. Mater. 24, (2014) 48. Min-Gyu Kang, Kwang-Hwan Cho, Sahn Nahm, Seok-Jin Yoon, and Chong-Yun Kang, Effects of vanadium substitution on the electrical performance of amorphous SrBi2Ta2O9 thin-film capacitors, Scripta Materialia 77 (2014) )-Corresponding Author 49. Ju-Hyuck Lee, Keun Young Lee, Manoj Kumar Gupta, Tae Yun Kim, Dae-Yeong Lee, Junho Oh, Changkook Ryu, Won Jong Yoo, Chong-Yun Kang, Seok-Jin Yoon, Ji-Beom Yoo, and Sang-Woo Kim, Highly Stretchable Piezoelectric-Pyroelectric Hybrid Nanogenerator, Adv. Mater. 26, (2014) 50. Hi Gyu Moon, You Rim Choi, Young-Seok Shim, Kwon-Il Choi, Jong-Heun Lee, Jin-Sang Kim, Seok-Jin Yoon, Hyung-Ho Park, Chong-Yun Kang, and Ho Won Jang, Extremely Sensitive and Selective NO Probe Based on Villi-like WO3 Nanostructures for Application to Exhaled Breath Analyzers, ACS Appl. Mater. Interfaces, 5, (2013) )-Corresponding Author 51. Young Ho Do, Woo Suk Jung, Min Gyu Kang, Chong Yun Kang, and Seok Jin Yoon, Preparation on transparent flexible piezoelectric energy harvester based on PZT films by laser lift-off process, Sensors and Actuators A (2013) )- Corresponding Author 52. Shin-Ik Kim, Dai-Hong Kim, Yoonjung Kim, Seon Young Moon, Min-Gyu Kang, Jong Kwon Choi, Ho Won Jang, Seong Keun Kim, Ji-Won Choi, Seok-Jin Yoon,

11 Chong-Yun Kang Page 11 Hye Jung Chang, Chong-Yun Kang, Suyoun Lee, Seong-Hyeon Hong, Jin-Sang Kim, and Seung-Hyub Baek, Non-Volatile Control of 2DEG Conductivity at Oxide Interfaces, Adv. Mater. 25, (2013) 53. Rheza Rahayu, Min-Gyu Kang, Young-Ho Do, Jin-Ha Hwang, Chong-Yun Kang, and Seok-Jin Yoon, Electrical Characteristics of Ba0.6Sr0.4TiO3 Thin-Film Chip Capacitors for Embedded Passive Components, IEEE ELECTRON DEVICE LETTERS, VOL. 34, NO. 1, (2013)-Corresponding Author 54. Seon Young Moon, Dai-Hong Kim, Hye Jung Chang, Jong Kwon Choi, Chong-Yun Kang, Heon Jin Choi, Seong-Hyeon Hong, Seung-Hyub Baek, Jin-Sang Kim, and Ho Won Jang, Tunable conductivity at LaAlO3/SrxCa12xTiO3 (0 x 1) heterointerfaces, APPLIED PHYSICS LETTERS 102, (2013) 55. Bo-Yun Kim, Tae-Geun Seong, In-Tae Seo, Jin-Seong Kim, Chong-Yun Kang, Seok-Jin Yoon, Sahn Nahm, Effects of oxygen pressure on electrical properties of (Na0.5K0.5)NbO3 films grown on Pt/Ti/SiO2/Si substrates, Acta Materialia 60 (2012) Min-Gyu Kang, Kwang-Hwan Cho, Young Ho Do, Young-Jin Lee, Sahn Nahm, Seok-Jin Yoon, and Chong-Yun Kang, Large in-plane permittivity of Ba0.6Sr0.4TiO3 thin films crystallized using excimer laser annealing at 300, APPLIED PHYSICS LETTERS 101, (2012)-Corresponding Author 57. Sung Yun Chung, Sunyoung Kim, Ju-Hyuck Lee, Kyongjun Kim, Sang-Woo Kim, Chong-Yun Kang, Seok-Jin Yoon, and Youn Sang Kim, All-Solution-Processed Flexible Thin Film Piezoelectric Nanogenerator, Adv. Mater. 2012, 24, HaiBo Xu, Mi-Ri Joung, Jin-Seong Kim, Sahn Nahma, Min-Gyu Kang, Chong-Yun Kang and Seok-Jin Yoon, Synthesis of homogeneous (Na1xKx)NbO3 nanorods using hydrothermal and post-heat treatment processes, Chemical Engineering Journal (2012) Young Ho Do, Min Gyu Kang, Jin Sang Kim, Chong Yun Kang, Seok Jin Yoon, Fabrication of flexible device based on PAN-PZT thin films by laser lift-off process, Sensors and Actuators A 184 (2012) Corresponding Author 60. Won-Hee Lee, Seok-Jin Yoon, Chong-Yun Kang, Hyeong-Yup Lee, Yun-Soo Lim, Byeong-Kwon Ju, and Dae-Yong Jeong, Fabrication and Analysis of Butterfly-

12 Chong-Yun Kang Page 12 type Piezoelectric Actuators, Journal of the Korean Physical Society, Vol. 61, No. 6, pp (2012)-Corresponding Author 61. Hyun-Cheol Song, Chong-Yun Kang, Seok-Jin Yoon, and Dae-Yong Jeong, Engineered Domain Configuration and Piezoelectric Energy Harvesting in 0.7Pb(Mg1/3Nb2/3)O3-0.3PbTiO3 Single Crystals, Met. Mater. Int., Vol. 18, No. 3, pp. 499~503 (2012) 62. Bo-Yun Kim, Tae-Geun Seong, In-Tae Seo, Min-Soo Jang, Sahn Nahm, Chong- Yun Kang, Seok-Jin Yoon, Effects of annealing atmosphere on the structural and electrical properties of (Na0.5K0.5)NbO3 thin films grown by RF magnetron sputtering, Acta Materialia 60, , (2012) 63. Kyooho Jung, Ho Won Jang, Chong-Yun Kang, Myong-Jae Yoo, Won Chel Choi, and Jin-Sang Kim, Thermoelectric Properties of Bi2Te3 PbTe Pseudo Binary Near the Eutectic Composition, Journal of Nanoscience and Nanotechnology Vol. 12, (2012) 64. Kwang-Hwan Cho, Min-Gyu Kang, Ho Won Jang, Hyun Yong Shin, Chong-Yun Kang, and Seok-Jin Yoon, Significantly reduced leakage currents in organic thin film transistors with Mn-doped Bi2Ti2O7 high-k gate dielectrics, Physics Status Soli RRL, 6, pp (2012)-Corresponding Author 65. Yunho Min, Geon Dae Moon, Bong Soo Kim, Byungkwon Lim, Jin-Sang Kim, Chong Yun Kang, and Unyong Jeong, Quick, Controlled Synthesis of Ultrathin Bi2Se3 Nanodiscs and Nanosheets, Journal of the American Chemical Society, 134, pp (2012) 66. Min-Gyu Kang, Seung-Min Oh, Kwang-Hwan Cho, Young-Ho Do, Dong-Soo Paik, Cong-Hee Cho, Chong-Yun Kang, Sahn Nahm, and Seok-Jin Yoon, Low- Temperature Crystallization of Sol-Gel Derived PbZr0.52Ti0.48O3 Thin Films with a Vanadium Additive, Journal of the Electrochemical Society, 159, pp. D9-D12 (2012)-Corresponding Author 67. Young-Seok Shim, Hi Gyu Moon, Do Hong Kim, Ho Won Jang, Chong-Yun Kang, Young Soo Yoon, and Seok-Jin Yoon, Transparent conducting oxide electrodes

13 Chong-Yun Kang Page 13 for novel metal oxide gas sensors, Sensors and Actuators B: Chemical, 160, pp (2011) 68. Jong-Woo Sun, Lee-Seung Kang, Jin-Seong Kim, Mi-Ri Joung, Sahn Nahm, Tae- Geun Seong, Chong-Yun Kang, and Jong-Hee Kim, Structural and electrical properties of Bi2O3-Nb2O5 thin films grown at low temperatures by pulsed laser deposition, Acta Materialia, 59, (2011) 69. Won-Hee Lee, Chong-Yun Kang, Dong-Soo Paik, Byeong-Kwon Ju, Seok-Jin Yoon, Butterfly-shaped ultra slim piezoelectric ultrasonic linear motor, Sensors and Actuators A 168, 2011, Kwang-Hwan Cho, Chong-Yun Kang, Seok-Jin Yoon, and YoungPak Lee, Microstructure and properties of highly elongated (Ba0.5Sr0.5)TiO3 thin films by applied electric field annealing, Current Applied Physics, 11, pp. S106-S109 (2011)-Corresponding Author 71. Min Gyu Kang, Kwang Hwan Cho, Seung Min Oh, Young Ho Do, Chong Yun Kang, Sangsig Kim, and Seok-Jin Yoon, Low-temperature crystallization and electrical properties of BST thin films using excimer laser annealing, Current Applied Physics, 11, pp. S66-S69 (2011)-Corresponding Author 72. Min-Gyu Kang, Kwang-Hwan Cho, Seung-Min Oh, Jin-Sang Kim, Chong-Yun Kang, Sahn Nahm, and Seok-Jin Yoon, High-temperature thermoelectric properties of nanostructured Ca3Co4O9 thin films, APPLIED PHYSICS LETTERS, 98, 2011, Min-gyu Kang, Kwang-hwan Cho, Chil-hyoung Lee, Chong-yun Kang, and Seokjin Yoon, Amorphous Sr0.8Bi2.2Ta2O9 Thin Films for MIM Embedded Capacitors, Journal of the Korean Physical Society, Vol. 57, No. 4, October 2010, pp Kwang-Hwan Cho, Min-Gyu Kang, Seung-Min Oh, Chong-Yun Kang, YoungPak Lee, Seok-Jin Yoon, Low voltage ZnO thin-film transistor with Ti-substituted BZN gate insulator for flexible electronics, Thin Solid Films, 518, 2010, Jong-Woo Sun, Lee-Seung Kang, Jin-Seong Kim, Dong-Soo Paik, Sahn Nahm, Tae- Geun Seong, Chong-Yun Kang, and Jong-Hee Kim, Effect of laser beam energy density on the structural and electrical properties of TiO2-doped Bi5Nb3O15 thin

14 Chong-Yun Kang Page 14 film grown by pulsed laser deposition, J. Phys. D: Appl. Phys., 43, 2010, (6pp) 76. Hi Gyu Moon, Young-Seok Shim, Ho Won Jang, Jin-Sang Kim, Kyoung Jin Choi, Chong-Yun Kang, Ji-Won Choi, Hyung-Ho Park, Soek-Jin Yoon, Highly sensitive CO sensors based on cross-linked TiO2 hollow hemispheres, Sensors and Actuators B, 149, 2010, S. T. Lee, Y. H. Jo, H. E. Kim, D. H. Youn, I. J. Choi, S. H. Key, C.-Y. Kang, W. S. Hong, and Y. S. Cho, Grain boundary segregation and microwave dielectric properties of low loss Mg1.5Zn0.5SiO4 ceramics containing Bi2O3, Advances in Applied Ceramics, 2010, VOL 109, NO 6, Kwang-Hwan Cho, Min-Gyu Kang, Chong-Yun Kang, Seok-Jin Yoon, and YoungPak Lee, Titanium-Substituted Bi1.5Zn1.0Nb1.5O7 for High-Density and Low-Temperature-Coefficient-of-Capacitance MIM Capacitor by Low-Temperature Process (300 ), IEEE ELECTRON DEVICE LETTERS, VOL. 31, NO. 5, MAY 2010, WOO-SUK JUNG, CHONG-YOON KANG, JEONG-DO KIM, and SEOK-JIN YOON, Control of Tiny Ultrasonic Linear Actuator Using Magneto-resistive Sensor for Camera Module, Electric Power Components and Systems, 38:22 32, Chang-Hak Choi, Joo-Young Choi, Kyung-Hoon Cho, Myong-Jae Yoo, Jae-Hong Choi, Sahn Nahma, Chong-Yun Kang, Seok-Jin Yoon, Jong-Hee Kim, Investigation on the valence state of Te ions in the Bi6Ti5TeO22 thin film using X- ray photoelectron spectroscopy, Journal of the European Ceramic Society 30 (2010) Kyung-Hoon Cho, Chang-Hak Choi, Joo-Young Choi, Tae-Geun Seong, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, Jong-Hee Kim, Leakage current mechanism and effect of oxygen vacancy on the leakage current of Bi5Nb3O15 films, Journal of the European Ceramic Society 30 (2010) Tae-Geun Seong, Kyung-Hoon Cho, Jong-Woo Sun, Myung-Eun Song, Dong-Soo Paik, Sahn Nahm, Chong-Yun Kang, and Jong-Hee Kim, Crystallization and

15 Chong-Yun Kang Page 15 Improvement of Electrical Properties of Bi5Nb3O15 Thin Films Crown at Low Temperature, Japanese Journal of Applied Physics 48 (2009) Hyun-Cheol Song, Chong-Yun Kang, Seok-Jin Yoon, Dae-Yong Jeong, Analysis of stress distribution in flexible piezoelectric energy harvester, Journal of the Ceramic Society of Japan, 117 (10), 2009, Kwang-Hwan Cho, Min-Gyu Kang, Chong-Yun Kang, Seok-Jin Yoon, YoungPak Lee, Jong-Hee Kim, and Bong-Hee Cho, Effect of UV-Assisted RTA on the Electrical Properties of (Ba,Sr)TiO3 Films for Low Temperature Embedding of Decoupling Capacitor, Journal of The Electrochemical Society, 156, 12, G230- G232, Hyun-Cheol Song, Hyung-Chan Kim, Chong-Yun Kang, Hyun-Jai Kim, Seok-Jin Yoon, Dae-Yong Jeong, Multilayer piezoelectric energy scavenger for large current generation, J Electroceram (2009) 23: T-G Seong, K-H Cho, J-Y Choi, S Nahm, C-Y Kang, S-J Yoon, and J-H Kim, Effects of oxygen pressure and Mn-doping on the electrical and dielectric properties of Bi5Nb3O15 thin film grown by pulsed laser deposition, J. Phys. D: Appl. Phys. 42 (2009) (6pp) 87. Joo-Young Choi, Lee-Seung Kang, Kyung-Hoon Cho, Tae-Geun Seong, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, and Jong-Hee Kim, Structural and Electrical Properties of Mn-Doped Bi4Ti3O12 Thin Film Grown on TiN/SiO2/Si Substrate for RF MIM Capacitors, IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 56, NO. 8, AUGUST Woo-Suk Jung, Chong-Yun Kang, Dong-Soo Paik, Piotr E. Vasiljev, Jeong-Do Kim, Seok-Jin Yoon, Dynamic properties of an omni-directional piezoelectric motor for precision position control, Ultrasonics 49 (2009) Kyung-Hoon Cho, Tae-Geun Seong, Joo-Young Choi, Jin-Seong Kim, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, and Jong-Hee Kim, Electrical Properties of Bi5Nb3O15 Thin Film Grown on TiN/SiO2/Si at Room Temperature for Metal- Insulator-Metal Capacitors, IEEE ELECTRON DEVICE LETTERS, VOL. 30, NO. 6, JUNE Joo-Young Choi, Chang-Hak Choi, Kyung-Hoon Cho, Tae-Geun Seong, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, Jong-Hee Kim, Effect of oxygen vacancy

16 Chong-Yun Kang Page 16 and Mn-doping on electrical properties of Bi4Ti3O12 thin film grown by pulsed laser deposition, Acta Materialia 57 (2009) Dong-Soo Paik, Kyung-Ho Yoo, Chong-Yun Kang, Bong-Hee Lee, Sahn Nahm, and Seok-Jin Yoon, Multilayer piezoelectric linear ultrasonic motor for camera module, Journal of Electroceramics, 22, pp (2009) 92. Kyung-Hoon Cho, Chang-Hak Choi, Joo-Young Choi, Tae-Geun Seong, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, and Jong-Hee Kim, Effect of Oxygen Pressure on the Electrical Properties of Bi5Nb3O15 Films Grown by RF Magnetron Sputtering, IEEE ELECTRON DEVICE LETTERS, VOL. 29, NO. 9, SEPTEMBER Kyung-Hoon Cho, Chang-Hak Choi, Kyung Pyo Hong, Joo-Young Choi, Young Hun Jeong, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, and Hwack-Joo Lee, Electrical properties of amorphous Bi5Nb3O15 thin film for RF MIM capacitors, IEEE Electron Device Letters, 29, pp (2008) 94. Sun-Jung Kim, Pyeing-Seok Cho, Jong-Heun Lee, Chong-Yun Kang, Jin-Sang Kim, and Seok-Jin Yoon, Preparation of multi-compositional gas sensing films by combinatorial solution deposition, Ceramics International, 34, pp (2008) 95. Kyung Pyo Hong, Kyung-Hoon Cho, Young-Hun Jeong, Sahn Nahm, Chong-Yun Kang, and Seok-Jin Yoon, Investigation on the electric properties of Bi1.5ZnNb1.5O7 thin films grown on TiN substrate for MIM capacitors, IEEE Electron Device Letters, 29, pp (2008) 96. Chang-Hak Choi, Joo-Young Choi, Kyung-Hoon Cho, Myoung-Jae Yoo, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, and Jong-Hee Kim, Effect of oxygen vacancies on the electrical properties of Bi6Ti5TeO22 thin film, Electrochemical and Solid State Letters, 11, pp. G51-G54 (2008) 97. Kyung-Hoon Cho, Chang-Hak Choi, Young-Hun Jeong, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, and Hwack-Joo Lee, Structural and electrical properties of Bi5Nb3O15 thin films for MIM capacitors with low processing temperatures, Journal of the Electrochemical Society, 155, pp. G148-G161 (2008)

17 Chong-Yun Kang Page Chang-Hak Choi, Joo-Young Choi, Kyung-Hoon Cho, Myoung-Jae Yoo, Sahn Nahm, Chong-Yun Kang, Seok-Jin Yoon, and Jong-Hee Kim, Oxygen pressure and Mn-doping effects on the structure and leakage current of Bi6Ti5TeO22 thin film, Journal of the electrochemical Society, 155, pp. G119-G202 (2008) 99. I. G. Mironenko, A. A. Semenov, A. A. Ivanov, P. J. Beljavski, Chong-Yun Kang, and S. F. Karmanenko, Multislot transmission lines and microwave phase shifters based on (Ba,Sr)TiO3 films, Integrated Ferroelectrics, 96, pp (2008) 100. Kwang-Hwan Cho, Chil-Hyoung Lee, Chong-Yun Kang, Seok-Jin Yoon, and Young-Pak Lee, Influence of applied electric field annealing on the microwave properties of (Ba0.5Sr0.5)TiO3 thin films, APPLIED PHYSICS LETTERS, 90, 2007, Ki-Won Kim, Pyeong-Seok Cho, Sun-Jung Kim, Jong-Heun Lee, Chong-Yun Kang, Jin-Sang Kim, Seok-Jin Yoon, The selective detection of C2H5OH using SnO2 ZnO thin film gas sensors prepared by combinatorial solution deposition, Sensors and actuators B 123, 2007, Jong-Yoon Ha, Ji-Won Choi, Chong-Yun Kang, Jin-Sang Kim, Seok-Jin Yoon, Doo Jin Choi, Hyun-Jai Kim, Improvement of dielectric loss of (Ba,Sr)(Ti,Zr)O3 ferroelectrics for tunable devices, Journal of the European Ceramic Society 27, 2007, Sang-Jong KIM, Jong-Yoon HA, Ji-Won CHOI, Chong-Yun KANG, Hyun-Jai KIM, Dae-Yong JEONG, Man-Young SUNG, and Seok-Jin YOON, Piezoelectric and Dielectric Properties of 0.05Pb(Al0.5Nb0.5)O3 0.95Pb(Zr0.52Ti0.48)O3 Ceramics Doped with Nb2O5 and MnO2, Japanese Journal of Applied Physics, Vol. 46, No. 2, 2007, pp Sang-Jong KIM, Chong-Yun KANG, Ji-Won CHOI, Hyun-Jai KIM, Man- Young SUNG, and Seok-Jin YOON, Low Temperature Sintering of ZnO-Doped 0.01Pb(Mg1/2W1/2)O3 0.41Pb(Ni1/3Nb2/3)O3 0.35PbTiO3 0.23PbZrO3 Ceramics, Japanese Journal of Applied Physics, Vol. 46, No. 1, 2007, pp

18 Chong-Yun Kang Page Kwang-Hwan Cho, Jong-Yoon HA, Chong-Yun Kang, Ji-Won CHOI, Young- Pak Lee, and Seok-Jin Yoon, Structural features and microwave properties of Ba0.5Sr0.5TiO3 films grown on sapphire substrates, Solid State Phenomena 124-1, 2007, Kyong-Jae Lee, Hyun-Phill Ko, Chong-Yun Kang, Hyun-Jai Kim, Seok-Jin Yoon, Sahn Nahm, A study on the friction and thrust force of the shaft and mobile element in the impact typed piezoelectric ultrasonic linear motor, Journal of Electroceramics, 17, 2006, Chong-Yun Kang, Kyoung-Ho Yoo, Hyun-Phill Ko, Hyun-Jai Kim, Tae-Kuk Ko Seok-Jin Yoon, Analysis of driving mechanism for tiny piezoelectric linear motor, Journal of Electroceramics, 17, 2006, Sang-Jong KIM, Chong-Yun KANG, Ji-Won CHOI, Hyun-Jai KIM, Man- Young SUNG, and Seok-Jin YOON, Characteristics of PMW-PNN-PT-PZ thick films on various bottom electrodes, Journal of Electroceramics, 17, 2006, Hyun-Phill Ko, Chong-Yun Kang, Jin-Sang Kim, Serigey N. Borodin, Sangsig Kim, Seok-Jin Yoon, Constructions and characteristics of a tiny piezoelectric linear motor using radial mode vibrations, Journal of Electroceramics, 17, 2006, Hyun-Jun Kim, Dal-Young Kim, Jong-Yoon Ha, Chong-Yun Kang, Man Young Sung, Bong Hee Cho, Seok-Jin Yoon, Hyun-Jai Kim, Deposition of LiNbO3 thin films for selective etching, Journal of Electroceramics, 17, 2006, I. G. Mironenko, Chong-Yun Kang, S. F. Karmanenko, A. A. Ivanov, A. A. Semenov, O. V. Sinjukova, Microwave slot transmission lines based on ferroelectric films tunable through low bias voltage, Journal of Electroceramics, 17, pp (2006) 112. O. Yu. Buslov, Chong-Yun Kang, V. N. Keis, I. V. Kotelnikov, A. Yu Shimko, M. F. Ivanova, A. V. Tumarkin, S. F. Karmanenko, and A. B. Kozyrev, Dielectric Resonators Loaded by Ferroelectric Varactors for Tunable Ka Band Filter, Integrated Ferroelectrics, 86, 2006, Jong-Yoon Ha, Chong-Yun Kang, Ji-Won Choi, Sung-Hun Sim, S. F. Karmanenko, Seok-Jin Yoon, and Hyun-Jai Kim, Improvement in Tunability and

19 Chong-Yun Kang Page 19 Dielectric Loss of BSTZ Ferroelectric Thin Films Using Post-Annealing, Integrated Ferroelectrics, 86, 2006, Jong-Yoon Ha, Ji-Won Choi, Chong-Yun Kang, Seok-Jin Yoon, Doo Jin Choi, Hyun-Jai Kim, Microwave dielectric properties of Ca[(Li1/3Nb2/3)1-xTix]O3-δ ceramics with glass, Journal of Electroceramics, 17, 2006, Beom-Keun Yoo, Yong-Wook Park, Chong-Yun Kang, Seok-Jin Yoon, Jin- Sang Kim, Surface acoustic wave sensors to detect volatile gases by measuring output phase shift, Journal of Electroceramics, 17, 2006, Chong-Yun Kang, S. F. Karmanenko, I. G. Mironenko, A. A. Semenov, A. I. Dedyk, A. A. Ivanov, P. Ju. Beljavski, and U. V. Pavlova, The Investigation of Dielectric Characteristics of (Ba,Sr)TiO3 Thin Films in Millimeter Wavelength Range, Integrated Ferroelectrics, 86, 2006, Jong-Yoon Ha, Ji-Won Choi, Chong-Yun Kang, S. F. Karmanenko, Seok-Jin Yoon, Doo Jin Choi, Hyun-Jai Kim, Thickness dependent ferroelectric properties of BSTO thin films deposited by RF magnetron sputtering, Journal of Electroceramics, 17, 2006, Ji-Won Choi, Chong-Yun Kang, Jin-Sang Kim, Seok-Jin Yoon, Hyun-Jai Kim, and R. B. vandover, A High Throughput Search of Dielectric Thin Films for Tunable Devices, Advances in Science and Technology Vol. 45, 2006, pp Kwang-Hwan Cho, Jong-Yoon Ha, Ji-Won Choi, Seok-Jin Yoon, Chong-Yun Kang, and Young-Pak Lee, Characteristics of (Ba,Sr)TiO3 Thin Films for Microwave Tunable Device applications, Journal of the Korean Physical Society, Vol. 49, No. 3, September 2006, pp Hyun-Phill KO, Kyong-Jae LEE, Kyoung-Ho YOO, Chong-Yun KANG, Sangsig KIM and Seok-Jin YOON, Analysis of tiny piezoelectric ultrasonic linear motor, Japanese Journal of Applied Physics, Vol. 45, No. 5B, 2006, pp I. G. MIRONENKO, S. F. KARMANENKO, A. A. IVANOV, A. A. SEMENOV, O. V. SINJUKOVA, CHONG-YUN KANG, AND YOUNG-JEI OH, Multislot coupled resonators formed on BST ferroelectric films as the basis of microwave tunable band-pass filters, Vol. 334Ferroelectrics, 2006, pp

20 Chong-Yun Kang Page Hyun-Phill Ko, Sangsig Kimb, Sergjus N. Borodinas, Piotr E. Vasiljev, Chong- Yun Kang, Seok-Jin Yoon, "A novel tiny ultrasonic linear motor using the radial mode of a bimorph", Sensors and actuators, A 125, 2006, Hyun-Phill Ko, Sangsig Kim, Chong-Yun Kang, Hyun-Jai Kim, and Seok-Jin Yoon, Optimization of a piezoelectric linear motor in terms of the contact parameters, Materials Chemistry and Physics, 90, pp (2005) 124. Jong-Yoon HA, Ji-Won CHOI, Chong-Yun KANG, S. F. KARMANENKO, Seok-Jin YOON, Doo-Jin CHOI, and Hyun-Jai KIM, "Effects of Annealing Process on Dielectric Properties of (Ba,Sr)TiO3 Thin Films Grown by RF Magnetron Sputtering," Japanese Journal of Applied Physics Vol. 44, No. 38, 2005, pp. L 1196.L Jong-Yoon Ha, Ji-Won Choi, Chong-Yun Kang, Seok-Jin Yoon, Doo Jin Choi, and Hyun-Jai Kim, "Low Temperature Sintering of Ca[(Li1/3Nb2/3)1-xTix]O3-δ Based Microwave Dielectric Ceramics with Glass Frit," Japanese Journal of Applied Physics, Vol.44 No pp Seo-Young Maeng, Dong-Kyun Lee, Ji-Won Choi, Hyun-Jai Kim, Chong-Yun Kang, Sahn-Nahm and Seok-Jin Yoon, Design and fabrication of multilayer actuator using floating electrode, Materials Chemistry and Physics, Volume 90, Issues 2-3, 15 April 2005, pp Sang-Jong Kim, Chong-Yun Kang, Ji-Won Choi, Dal-Young Kim, Man-Young Sung, Hyun-Jai Kim and Seok-Jin Yoon, Properties of piezoelectric actuator on silicon membrane, prepared by screen printing method, Materials Chemistry and Physics, Volume 90, Issues 2-3, 15 April 2005, pp Jong-Yoon Ha, Ji-Won Choi, Chong-Yun Kang, Doo Jin Choi, Hyun-Jai Kim and Seok-Jin Yoon, Effects of ZnO on piezoelectric properties of 0.01PMW 0.41PNN 0.35PT 0.23PZ ceramics, Materials Chemistry and Physics, Volume 90, Issues 2-3, 15 April 2005, pp Sung-Hun Sim, Chong-Yun Kang, Ji-Won Choi, Young-Joong Yoon, Seok-Jin Yoon, and Hyun-Jai Kim "Modeling and Optimization of LTCC-based Inductors on Ground Substrate," Journal of the Ceramic Society of Japan, Supplement 112-1, PacRim 5 Special issuie, 112 [5] s1587-s

21 Chong-Yun Kang Page Sung-Hun Sim, Chong-Yun Kang, Young-Joong Yoon, Seok-Jin Yoon, and Hyun-Jai Kim, A compact lumped-element low pass filter using low temperature cofired ceramic technology," Journal of the European Ceramic Society, Vol.23 No.14 pp Ji-Won Choi, Jong-Yoon Ha, Chong-Yun Kang, Seok-Jin Yoon, Hyun-Jai Kim, Ki Hyun Yoon, "Structural characteristics of new high-q (1-x)(Al½Ta½)Ox(Mg⅓Ta⅔)O₂" Materials Chemistry and Physics 2003, v. 79 no. 2-3, pp Sung-Hun Sim, Chong-Yun Kang, Ji-Won Choi, Seok-Jin Yoon, Young-Joong Yoon, Hyun-Jai Kim, "Multilayer helical dipole antenna for IMT-2000 handset." Materials Chemistry and Physics 2003, v. 79 no. 2-3, pp Ji-Won Choi, Chong-Yun Kang, Sung-Hun Sim, Seok-Jin Yoon, Hyun-Jai Kim, Ki Hyun Yoon, "Dielectric and patch antenna characteristics of new high-q (1- x)(al½ta½)o-x(mg⅓ta⅔)o₂ (O x 1.0) microwave ceramics." Materials Chemistry and Physics 2003, v. 79 no. 2-3, pp Hyun Jun Kim, Sewoong Kwon, Sung Hun Sim, Young Joong Yoon, Hyun Jai Kim, Seok Jin Yoon, Chong-Yun Kang, "Dual-frequency Small Chip Meander Antenna",Microwave and Optical Technology Letters, Vol. 35, Issue 4, pp , Sung-Hun Sim, Chong-Yun Kang, Seok-Jin Yoon, Young-Joong Yoon, and Hyun-Jai Kim, Broadband multiplayer ceramic chip antenna for handsets, Electronics Letters, Vol.38 No.5 pp Sung-Hun Sim, Chong-Yun Kang, Ji-Won Choi, Seok-Jin Yoon, Hyun-Jai Kim, and Young-Joong Yoon, "Computer-Aided Design of Small Patch Antenna Using (Al,Mg)TaO2, Ceramics," Journal of Materials Science: Materials in Electronics, Vol.13 No.4 pp Ji-Won Choi, Chong-Yun Kang, Seok-Jin Yoon, Hyun-Jai Kim, Hyung-Jin Jung, and Ki-Hyun Yoon, Microwave Dielectric Properties of B2O3 Doped Ca[(Li1/3Nb2/3)0.9Ti0.1]O3 Ceramics, Ferroelectrics, Vol. 262, pp Ji-Won Choi, Jong-Yoon Ha, Chong-Yun Kang, Seok-Jin Yoon, Hyun-Jai Kim, and Ki Hyun Yoon, "Microwave dielectric properties of (Pb,Ca)(Mg,Nb,Sn)O3 Ceramics," Jpn. J. Appl. Phys., Vol. 39, No.10, pp Oct. 2000

22 Chong-Yun Kang Page Chong-Yun Kang, Ji-Won Choi, Seok-Jin Yoon, Hyun-Jai Kim, Chang-Yub Park, "Design of Monoblock Dielectric Filter Using (Pb,Ca)(Fe,Nb,Sn)O3 Ceramics," Journal of Materials Science: Materials in Electronics, Vol.10 No.9 pp Dec C.Y. Kang, S. J. Yoon, J. W. Choi, H. J. Kim, Y. S. Ko, C. D. An, C. Y. Park, "MONOBLOCK λ/4 DIELECTRIC FILTER USING HIGH K MATERIAL," Ceramic Transactions, Vol.100 pp Ji-Won Choi, Seok-Jin Yoon, Chong-Yun Kang, Sergey Kucheiko, Yong- Wook Park, Hyun-Jai Kim, and Hyung-Jin Jung, "DIELECTRIC PROPERTIES OF TIN SUBSTITUTED Ca(Li1/3Nb2/3)O3-δ CERAMICS," Ceramic Transactions, Vol.100 pp Ji-Won Choi, Chong-Yun Kang, Seok-Jin Yoon, Hyun-Jai Kim, Hyung-Jin Jung, and Ki-Hyun Yoon, "Microwave dielectric properties of Ca[(Li1/3Nb2/3)1- xmx]o3-δ (M=Sn, Ti) Ceramics," J. Mater. Res., Vol. 14, No.9, pp Sep. 1999