Selectively tunable optical Stark effect of anisotropic excitons in atomically thin ReS2
Sangwan Sim†, Doeon Lee†, Minji Noh, Soonyoung Cha, Chan Ho Soh, Ji Ho Sung, Moon-Ho Jo, Hyunyong Choi*
Nature Communications, 2016
52
Composition control of plasmon-phonon interaction using topological quantum-phase transition in photoexcited (Bi1-xInx)2Se3.
Sangwan Sim†, Jun Park†, Nikesh Koirala, Seungmin Lee, Matthew Brahlek, Jisoo Moon, Maryam Salehi, Jaeseok Kim, Soonyoung Cha, Ji Ho Sung, Moon-Ho Jo, Seongshik Oh, Hyunyong Choi*
ACS Photonics, 2016
53
1s intraexcitonic dynamics in monolayer MoS2 probed by ultrafast mid-infrared spectroscopy
Soonyoung Cha†, Ji Ho Sung†, Sangwan Sim, Jun Park, Hoseok Heo, Moon-Ho Jo*, Hyunyong Choi*
Nature Communications, 2016
54
Comparison of hydrogen sulfide gas and sulfur powder for synthesis of molybdenum disulfide nanosheets
Jusang Park, Jeong-Gyu Song, Taejin Choi, Sangwan Sim, Hyunyong Choi, Sang Wook Han, Han-Bo-Ram Lee, Soo-Hyun Kim, Hyungjun Kim*
Current Applied Physics, 2016
55
Ultra-high modulation depth exceeding 2,400% in the optically-controlled topological surface plasmons
Sangwan Sim, Houk Jang, Nikesh Koirala, Matthew Brahlek, Jisoo Moon, Ji Ho Sung, Jun Park, Soonyoung Cha, Seongshik Oh, Moon-Ho Jo, Jong-Hyun Ahn, Hyunyong Choi*
Nature Communications, 2015
56
Tunable Fano quantum-interference dynamics using a topological phase transition in (Bi1-xInx)2Se3
Sangwan Sim, Nikesh Koirala, Matthew Brahlek, Ji Ho Sung, Jun Park, Soonyoung Cha, Moon-Ho Jo, Seongshik Oh, Hyunyong Choi*
Physical Review B, 2015
57
Controllable synthesis of molybdenum tungsten disulfide alloy for vertically composition-controlled multilayer
Jeong-Gyu Song, Gyeong Hee Ryu, Su Jeong Lee, Sangwan Sim, Chang Wan Lee, Taejin Choi, Hanearl Jung, Youngjun Kim, Zonghoon Lee, Jae-Min Myoung, Christian Dussarrat, Clement Lansalot-Matras, Jusang Park, Hyunyong Choi, Hyungjun Kim*
Nature Communications, 2015
58
Counterbalanced effect of surface trap and Auger recombination on the transverse terahertz carrier dynamics in silicon nanowires
Chihun In, Jungmok Seo, Hyukho Kwon, Jeongmook Choi, Sangwan Sim, Jaeseok Kim, Taeyong Kim, Taeyoon Lee, Hyunyong Choi*
IEEE Transactions on Terahertz Science and Technology, 2015
59
Ultrafast terahertz dynamics of hot Dirac-electron surface scattering in the topological insulator Bi2Se3