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115

61

Effect of growth temperature during the atomic layer deposition of the SrTiO3 seed layer on the properties of RuO2/SrTiO3/Ru capacitors for dynamic random access memory applications
Sang Hyeon Kim, Woongkyu Lee, Cheol Hyun An, Dae Seon Kwon, Dong-Gun Kim, Soon Hyung Cha, Seong Tak Cho, Cheol Seong Hwang
ACS Appl. Mater. Interfaces, 2018

62

Electrical Properties of ZrO2/Al2O3/ZrO2-based Capacitors with TiN, Ru, and TiN/Ru Top Electrode Materials
Woongkyu Lee, Cheol Hyun An, Sijung Yoo, Woojin Jeon, Min Jung Chung, Sang Hyeon Kim, Cheol Seong Hwang
Phys. Status Solidi RRL, 2018

63

Quantitative analysis of the incorporation behaviors of Sr and Ti atoms during the atomic layer deposition of SrTiO3 thin films
Min Jung Chung, Woojin Jeon, Cheol Hyun An, Sang Hyeon Kim, Yoon Kyeung Lee, Woongkyu Lee, Cheol Seong Hwang
ACS Appl. Mater. Interfaces, 2018

64

Surface and grain boundary energy as the key enabler of ferroelectricity in nanoscale hafnia-zirconia: a comparison of model and experiment
Park, MH (Park, Min Hyuk), Lee, YH (Lee, Young Hwan), Kim, HJ (Kim, Han Joon), Schenk, T (Schenk, Tony), Lee, W (Lee, Woongkyu), Do Kim, K (Do Kim, Keum), Fengler, FPG (Fengler, Franz P, Mikolajick, T (Mikolajick, Tho, Schroeder, U (Schroeder, Uwe), Hwang, CS (Hwang, Cheol Seong)
NANOSCALE, 2017

65

Surface and grain boundary energy as the key enabler of ferroelectricity in nanoscale hafnia-zirconia: a comparison of model and experiment
Min Hyuk Park, Young Hwan Lee, Han Joon Kim, Tony Schenk, Woongkyu Lee, Keum Do Kim, Franz P. G. Fengler, Thomas Mikolajick, Uwe Schroeder, Cheol Seong Hwang
Nanoscale, 2017

66

Resistance switching behavior of atomic layer deposited SrTiO3 film through possible formation of Sr2Ti6O13 or Sr1Ti11O20 phases
Lee, W (Lee, Woongkyu), Yoo, S (Yoo, Sijung), Yoon, KJ (Yoon, Kyung Jean), Yeu, IW (Yeu, In Won), Chang, HJ (Chang, Hye Jung), Choi, JH (Choi, Jung-Hae), Hoffmann-Eifert, S (Hoffmann-E, Waser, R (Waser, Rainer), Hwang, CS (Hwang, Cheol Seong)
SCIENTIFIC REPORTS, 2016

67

Resistance switching behavior of atomic layer deposited SrTiO3 film through possible formation of Sr2Ti6O13 or Sr1Ti11O20 phases
Woongkyu Lee, Sijung Yoo, Kyung Jean Yoon, In Won Yeu, Hye Jung Chang, Jung-Hae Choi, Susanne Hoffmann-Eifert, Reiner Waser, Cheol Seong Hwang
Sci. Rep., 2016

68

Reducing the nano-scale defect formation of atomic-layer-deposited SrTiO3 films by adjusting the cooling rate of the crystallization annealing of the seed layer
Lee, W (Lee, Woongkyu), Yoo, S (Yoo, Sijung), Jeon, W (Jeon, Woojin), Yoo, YW (Yoo, Yeon Woo), An, CH (An, Cheol Hyun), Lee, SW (Lee, Sang Woon), Hwang, CS (Hwang, Cheol Seong), Chung, MJ (Chung, Min Jung), Kim, HJ (Kim, Han Joon)
THIN SOLID FILMS, 2015

69

Asymmetry in electrical properties of Al-doped TiO2 film with respect to bias voltage
Jeon, W (Jeon, Woojin), Rha, SH (Rha, Sang Ho), Lee, W (Lee, Woongkyu), An, CH (An, Cheol Hyun), Chung, MJ (Chung, Min Jung), Kim, SH (Kim, Sang Hyun), Cho, CJ (Cho, Cheol Jin), Kim, SK (Kim, Seong Keun), Hwang, CS (Hwang, Cheol Seong)
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS, 2015

70

Improved Initial Growth Behavior of SrO and SrTiO3 Films Grown by Atomic Layer Deposition Using Sr(demamp)(tmhd)2 as Sr-Precursor
Lee, W., Jeon, W., An, C.H., Chung, M.J., Kim, H.J., Eom, T., George, S.M., Park, B.K., Han, J.H., Kim, C.G., Chung, T.-M., Lee, S.W., Hwang, C.S.
Chemistry of Materials, 2015