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Sandhaya Koirala
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Efficient Photocarrier Transfer and Effective Photoluminescence Enhancement in Type I Monolayer MoTe2/WSe2 Heterostructure
T Yamaoka, HE Lim, S Koirala, X Wang, K Shinokita, M Maruyama, ...
Advanced Functional Materials 28 (35), 1801021, 2018
762018
Polarization-sensitive and broadband germanium sulfide photodetectors with excellent high-temperature performance
D Tan, W Zhang, X Wang, S Koirala, Y Miyauchi, K Matsuda
Nanoscale 9 (34), 12425-12431, 2017
702017
Thickness-dependent thermal conductivity of mechanically exfoliated β-Ga2O3 thin films
Y Zhang, Q Su, J Zhu, S Koirala, SJ Koester, X Wang
Applied Physics Letters 116 (20), 2020
612020
Homogeneous linewidth broadening and exciton dephasing mechanism in MoT e 2
S Koirala, S Mouri, Y Miyauchi, K Matsuda
Physical Review B 93 (7), 075411, 2016
562016
Long radiative lifetimes of excitons in monolayer transition-metal dichalcogenides MX2 (M= Mo, W; X= S, Se)
NB Mohamed, HE Lim, F Wang, S Koirala, S Mouri, K Shinokita, ...
Applied Physics Express 11 (1), 015201, 2017
272017
Correlated lifetimes of free paraexcitons and excitons trapped at oxygen vacancies in cuprous oxide
S Koirala, N Naka, K Tanaka
Journal of luminescence 134, 524-527, 2013
232013
Evaluation of photoluminescence quantum yield of monolayer WSe2 using reference dye of 3‐borylbithiophene derivative
NB Mohamed, F Wang, HE Lim, W Zhang, S Koirala, S Mouri, Y Miyauchi, ...
physica status solidi (b) 254 (2), 1600563, 2017
202017
Relaxation of localized excitons by phonon emission at oxygen vacancies in Cu2O
S Koirala, M Takahata, Y Hazama, N Naka, K Tanaka
Journal of luminescence 155, 65-69, 2014
182014
Photodegradation protection in 2D in-plane heterostructures revealed by hyperspectral nanoimaging: The role of nanointerface 2D alloys
A Fali, T Zhang, JP Terry, E Kahn, K Fujisawa, B Kabius, S Koirala, ...
ACS nano 15 (2), 2447-2457, 2021
172021
Anisotropic optical properties of layered germanium sulfide
D Tan, HE Lim, F Wang, NB Mohamed, S Mouri, K Sandhaya, W Zhang, ...
arXiv preprint arXiv:1606.06953, 2016
22016
Optical properties of vertically stacked MoTe2/WSe2 heterostructure
HE Lim, T Yamaoka, S Koirala, X Wang, K Shinokita, M Maruyama, ...
JSAP Annual Meetings Extended Abstracts The 79th JSAP Autumn Meeting 2018 …, 2018
2018
Anisotropic material properties of thin layered ß-Ga2O3
S Koirala, S Namgung, M Atalla, MC Robbins, R Ma, SJ Koester
Materials Research Society, 2018
2018
Photoluminescence Quantum Yield and Effective Exciton Radiative Lifetime in Monolayer Transition Metal Dichalcogenides
NB Mohamed, F Wang, S Koirala, HE Lim, S Mouri, Y Miyauchi, ...
JSAP-OSA Joint Symposia, 13p_A37_7, 2016
2016
Photoluminescence quantum yield and long exciton radiative lifetime in monolayer two-dimensional transition metal dichalcogenides
NB Mohamed, F Wang, S Koirala, HE Lim, S Mouri, Y Miyauchi, ...
2016 Compound Semiconductor Week (CSW)[Includes 28th International …, 2016
2016
Studies of low temperature photoluminescence spectra and excitonic valley polarization in monolayer MoTe2
S Koirala, S Mouri, Y Miyauchi, K Matsuda
APS March Meeting Abstracts 2016, V16. 003, 2016
2016
Localization dynamics of paraexcitons and their lattice relaxation at oxygen vacancies in cuprous oxide
S Koirala
京都大学 (Kyoto University), 2014
2014
27aCD-2 Photoluminescence excitation spectroscopy on excitons localized at oxygen vacancies in Cu_2O
S Koirala, M Takahata, Y Hazama, N Naka, K Tanaka
Meeting Abstracts of the Physical Society of Japan 69.1. 4, 724, 2014
2014
18aPSB-6 Selection rules for excitonic transitions in cuprous oxide under external fields
S Koirala, N Naka, K Tanaka
Meeting Abstracts of the Physical Society of Japan 67.2. 4, 660, 2012
2012
23pRB-11 Temperature-dependent transients of free and trapped paraexcitons in cuprous oxide
K Sandhaya
Meeting Abstracts of the Physical Society of Japan 66.2. 4, 782, 2011
2011
Comparative study on temperature-dependent lifetimes of free and trapped excitons in cuprous oxide
S Koirala, N Naka, K Tanaka
Proceedings for the 21th Hikaribussei kenkyuukai, 413-416, 2011
2011
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Articles 1–20