Publication
2025
	     
		     Plasma-enhanced atomic layer deposition of indium-free ZnSnOx thin films for thin-film transistors 
	    Seung Ho Ryu,Inhong Hwang, Dahui Jeon, Sung Kwang Lee, Taek-Mo Chung, Jeong Hwan Han,
	    Sieun Chae, In-Hwan Baek, Seong Keun Kim 
		    Applied Surface Science 680, 161320 (2025) 
	
	    
2024
	    Perspective: entropy-stabilized oxide memristors 
	    Sieun Chae, Sangmin Yoo, Emmanouil Kioupakis, Wei D. Lu, John T. Heron 
		    Applied Physics Letters 125, 070501 (2024) 
	
	    
	   Efficient Data Processing Enabled by Tunable Dynamics in Entropy-Stabilized Oxide Memristors   
	    Sangmin Yoo*, Sieun Chae*, Tony Chiang, Matthew Webb, Tao Ma, Hanjong Paik, Yongmo Park, Logan Williams, Kazuki Nomoto, 
		    Huili Xing, Susan Trolier-McKinstry, Emmanouil Kioupakis, John Heron, Wei Lu, Nature Electronics, accepted 
	
2022
	       Informing quantum materials discovery and synthesis using X-ray micro-computed tomography 
	    Lucas A. Pressley, Dave Edey, Romy Hanna, Sieun Chae, John T. Heron, Mojammel A. Khan, Tyrel M. McQueen, npj Quantum Materials 7, 121 (2022) 
	    
	    Germanium dioixde: A new rutile substrate for epitaxial film growth 
	    Sieun Chae, Lucas A. Pressley, Hanjong Paik, Jiseok Gim, Don Werder, Berit H. Goodge, Lena F. Kourkoutis, Robert Hovden, Tyrel M. McQueen, Emmanouil Kioupakis, John Heron, Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 40, 050401 (2022) 
	    
	    Effects of local compositional and structural disorder on vacancy formation in entropy-stabilized oxides from first-principles 
	    Sieun Chae, Logan Williams, Jihang Lee, John T. Heron, Emmanouil Kioupakis, npj Computational Materials 8, 95 (2022) 
		
2021
	      Theoretical characterization and computational discovery of ultra-wide-band-gap semiconductors with predictive atomistic calculations 
	    Emmanouil Kioupakis, Sieun Chae, Kyle Bushick, Nick Pant, Xiao Zhang, Woncheol Lee, Journal of Materials Research 1-22 (2021) 
	    
	       Cation-size mismatch as a predictive descriptor for structural distortion, configurational disorder, and valence-band splitting in II-IV-N2 semiconductors 
	    Malhar Kute, Zihao Deng, Sieun Chae, Emmanouil Kioupakis, Applied Physics Letters 119, 132104 (2021) 
	    
	    Toward the predictive discovery of ambipolarly dopable ultra-wide-band-gap semiconductors: The case of rutile GeO2 
	    Sieun Chae, Kelsey A. Mengle, Kyle Bushick, Jihang Lee, Nocona Sanders, Zihao Deng, Zetian Mi, Pierre F. P. Poudeu, Hanjong Paik, John T. Heron, Emmanouil Kioupakis, Applied Physics Letters 118, 260501 (2021) 
	    
	    Memristors based on (Zr,Hf,Nb,Ta,Mo,W) high-entropy oxides 
	    Minhyung Ahn, Yongmo Park, Seung Hwan Lee, Sieun Chae, Jihang Lee, John T. Heron, Emmanouil Kioupakis, Wei D. Lu, Jamie D. Philips Advanced Electronic Materials 7, 2001258 (2021) 
		
2020
	     Electron and hole mobility of rutile GeO2 from first principles: An ultrawide-bandgap semiconductor for power electronics 
	    Kyle Bushick, Sieun Chae, Kelsey A. Mengle, Emmanouil Kioupakis, Applied Physics Letters 117, 182104 (2020) 
	    
	       Thermal conductivity of rutile germanium oxide 
	    Sieun Chae, Kelsey A. Mengle, Ruiming Lu, Alan Olvera, Nocona Sanders, Jihang Lee, Pierre F. P. Poudeu, John T. Heron, Emmanouil Kioupakis, Applied Physics Letters 117, 102106 (2020) 
	    
	    Epitaxial stabilization of rutile germanium oxide thin film by molecular beam epitaxy 
	    Sieun Chae, Hanjong Paik, Nguyen M. Vu, Emmanouil Kioupakis, John T. Heron, Applied Physics Letters 117, 072105 (2020) 
	    
	    Boron arsenide heterostructures: lattice-matched heterointerfaces and strain effects on band alignments and mobility 
	    Kyle Bushick, Sieun Chae, Zihao Deng, John T. Heron, Emmanouil Kioupakis, npj Computational Materials 6, 3 (2020) 
		
2019
	       Quasiparticle band structure and optical properties of rutile GeO2, an ultra-wide-band-gap semiconductor 
	    Kelsey A. Mengle, Sieun Chae, Emmanouil Kioupakis, Applied Physics Letters 126, 085703 (2019) 
	    
	    Rutile GeO2: An ultrawide-band-gap semiconductor with ambipolar doping 
	    Sieun Chae, Jihang Lee, Kelsey A. Mengle, John T. Heron, Emmanouil Kioupakis, Applied Physics Letters 114, 102104 (2019) 
	    
	    Blocking of the 1T-to-2H phase transformation of chemically exfoliated transition metal disulfides by using a "lattice lock" 
	    Sieun Chae, Soo Sang Chae, Min Choi, Hye min Park, Hyunju Chang, Jeong-O Lee, Tae Il Lee Nano Energy 56, 65-73 (2019) 
		
2018
	    
	    Point defects and dopants of boron arsenide from first-principles calculations: Donor compensation and doping asymmetry 
	    Sieun Chae, Kelsey Mengle, John T. Heron, Emmanouil Kioupakis, Applied Physics Letters 113, 212101 (2018) 
	    
	    Encapsulation and enhanced delivery of topoisomerase I inhibitor in functionalized carbon nanotubes 
	    Sieun Chae, Dahee Kim, Kyung-jin Lee, Dasol Lee, Young-O Kim, Yong Chae Jung, Sang Dal Rhee, Kwang Rok Kim, Jeong-O Lee, Sunjoo Ahn, Byumseok Koh Acs Omega 3, 5938-5945 (2018) 
		
2017
	    	    Graphene as a thin-film catalyst booster: graphene-catalyst interface plays a critical role 
	    Sieun Chae, Won Jin Choi, Soo Sang Chae, Seunghun Jang, Hyunju Chang, Tae Il Lee, Youn Sang Kim, Jeong-O Lee, Nanotechnology 28, 495708 (2017) 
	    
	    Lattice transparency of graphene 
	    Sieun Chae, Seunghun Jang, Won Jin Choi, Youn Sang Kim, Hyunju Chang, Tae Il Lee, Jeong-O Lee, Nano Letters 17, 1711-1718 (2017)