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5 papers · 2 filters
Enhanced Structural Stability and Photo Responsiveness of CH3NH3SnI3 Perovskite via Pressure-Induced Amorphization and Recrystallization
Xujie Lü, Yonggang Wang, Constantinos C. Stoumpos +10
An organic-inorganic halide perovskite of CH3NH3SnI3 with significantly improved structural stability is obtained via pressure-induced amorphization and recrystallization. In situ…
Origin of Stationary Domain Wall Enhanced Ferroelectric Susceptibility
Shi Liu, R. E. Cohen
Ferroelectrics usually adopt a multi-domain state with domain walls separating domains with polarization axes oriented differently. It has long been recognized that domain walls ca…
Simultaneous band gap narrowing and carrier lifetime prolongation of organic-inorganic trihalide perovskites
Lingping Kong, Gang Liu, Jue Gong +12
The organic-inorganic hybrid lead trihalide perovskites have been emerging as the most attractive photovoltaic material. As regulated by Shockley-Queisser theory, a formidable mate…
Ultrafast terahertz-field-driven ionic response in ferroelectric BaTiO
F. Chen, Y. Zhu, S. Liu +31
The dynamical processes associated with electric field manipulation of the polarization in a ferroelectric remain largely unknown but fundamentally determine the speed and function…
Structural Diversity in Lithium Carbides
Yangzheng Lin, Timothy A. Strobel, R. E. Cohen
The lithium-carbon binary system possesses a broad range of chemical compounds, which exhibit fascinating chemical bonding characteristics that give rise diverse and technologicall…