Results 11 to 20 of about 10,630,318 (313)

Polar materials for photocatalytic applications: A critical review

Interdisciplinary Materials
The critical challenges of the energy crisis and environmental degradation promote innovative approaches for energy conversion. Semiconductor‐based photocatalytic technology, which transforms solar energy into chemical energy, emerges as a promising ...
Xiaoqing Liu, Yu Zhang, Cong Wang, Lei Shen   +3 more
doaj   +2 more sources

Polar metals taxonomy for materials classification and discovery [PDF]

PHYSICAL REVIEW MATERIALS, 2022
Over the past decade, materials that combine broken inversion symmetry with metallic conductivity have gone from a thought experiment to one of the fastest growing research topics.
D. Hickox-Young, D. Puggioni, J. Rondinelli   +2 more
semanticscholar   +1 more source

Directional detection of light dark matter with polar materials [PDF]

Physical Review D, 2018
Author(s): Griffin, S; Knapen, S; Lin, T; Zurek, KM | Abstract: © 2018 authors. Published by the American Physical Society. We consider the direct detection of dark matter (DM) with polar materials, where single production of optical or acoustic phonons ...
S. Griffin, S. Knapen, Tongyan Lin, K. Zurek   +3 more
semanticscholar   +1 more source

Sliding ferroelectricity in van der Waals layered γ-InSe semiconductor

Nature Communications, 2023
Exploring two-dimensional layered ferroelectric semiconductors is highly desired for ferroelectric-based devices. Here, the authors realize the room-temperature ferroelectricity in layered Y-doped γ-InSe due to the microstructure modifications.
Fengrui Sui, Min Jin, Yuanyuan Zhang, Ruijuan Qi, Yu-Ning Wu, Rong Huang, Fangyu Yue, Junhao Chu   +7 more
doaj   +1 more source

Detection of light dark matter with optical phonons in polar materials [PDF]

Physics Letters B, 2017
We show that polar materials are excellent targets for direct detection of sub-GeV dark matter due to the presence of gapped optical phonons as well as acoustic phonons with high sound speed.
S. Knapen, Tongyan Lin, M. Pyle, K. Zurek   +3 more
semanticscholar   +1 more source

The Relationship between Electron Transport and Microstructure in Ge₂Sb₂Te₅ Alloy

Nanomaterials, 2023
Phase-change random-access memory (PCRAM) holds great promise for next-generation information storage applications. As a mature phase change material, Ge2Sb2Te5 alloy (GST) relies on the distinct electrical properties of different states to achieve ...
Cheng Liu, Yonghui Zheng, Tianjiao Xin, Yunzhe Zheng, Rui Wang, Yan Cheng   +5 more
doaj   +1 more source

Modulation of Ferroelectric and Optical Properties of La/Co-Doped KNbO₃ Ceramics

Nanomaterials, 2021
The phase transition, microscopic morphology and optical and ferroelectric properties are studied in a series of La- and Co-doped KNbO3-based ceramics. The results show that the doping induces the transformation from the orthorhombic to the cubic phase ...
Xue Zhang, Ruijuan Qi, Shangwei Dong, Shuai Yang, Chengbin Jing, Lin Sun, Ye Chen, Xuekun Hong, Pingxiong Yang, Fangyu Yue, Junhao Chu   +10 more
doaj   +1 more source

Ion adsorption-induced reversible polarization switching of a van der Waals layered ferroelectric

Nature Communications, 2021
Whether it is possible to achieve polarization inversion in a ferroelectric without any energy consumption is an open question. Here, the authors demonstrate an energy-free approach to control the polarization state of CuInP2S6, a typical room ...
Dong-Dong Xu, Ru-Ru Ma, Ai-Ping Fu, Zhao Guan, Ni Zhong, Hui Peng, Ping-Hua Xiang, Chun-Gang Duan   +7 more
doaj   +1 more source

First-principles predictions of temperature-dependent infrared dielectric function of polar materials by including four-phonon scattering and phonon frequency shift

, 2020
Recently, first-principles calculations based on density functional theory have been widely used to predict the temperature-dependent infrared spectrum of polar materials, but the calculations are usually limited to the harmonic frequency (0 K) and three-
Z. Tong, Xiaolong Yang, Tianli Feng, Hua Bao, X. Ruan   +4 more
semanticscholar   +1 more source

Advances in Polar Materials for Lithium–Sulfur Batteries

Advanced Functional Materials, 2018
Lithium–sulfur batteries are regarded as promising candidates for energy storage devices due to their high theoretical energy density. Various approaches are proposed to break through the obstacles that are preventing Li–S batteries from realizing ...
Hongqiang Wang, Wenchao Zhang, Jianzhong Xu, Zaiping Guo   +3 more
semanticscholar   +1 more source