Results 101 to 110 of about 80,867 (311)

Valence band offset of MgO/InN heterojunction measured by x-ray photoelectron spectroscopy

, 2008
MgO may be a promising gate dielectric and surface passivation film for InN based devices and the valence band offset of MgO/InN heterojunction has been measured by x-ray photoelectron spectroscopy.
Yang, SY, Wei, HY, Zhu, QS, Wang, ZG, Zhang, RQ, Jiao, CM, Zhang, PF, Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, PO Box 912, Beijing 100083, Peoples R China. 电子邮箱地址: zhangpanf@semi.ac.cn, Liu, XL, Song, HP, Zhang, PF, Fan, HB, xlliu@semi.ac.cn   +11 more
core  

Designed Lewis Acid–Base Passivation for High Performance Perovskite Solar Cells

Advanced Functional Materials, EarlyView.
ABSTRACT Silicon's high cost and long energy payback time remain major barriers to the global expansion of solar power. In contrast, metal–halide perovskites offer abundant, solution‐processable absorbers, and have achieved efficiencies of 25%–30%, positioning them as strong competitors to silicon.
Afna Manaf, Hiba Shahulhameed, Bhabani Sankar Swain, Shengzhong (Frank) Liu, Adel Najar   +4 more
wiley   +1 more source

Strongly correlated impurity band superconductivity in diamond: X-ray spectroscopic evidence

Science and Technology of Advanced Materials, 2006
In a recent X-ray absorption study in boron doped diamond, Nakamura et al. have seen a well isolated narrow boron impurity band in non-superconducting samples and an additional narrow band at the chemical potential in a superconducting sample.
G. Baskaran
doaj  

Intrinsic transmission magnetic circular dichroism spectra of GaMnAs

AIP Advances, 2018
Transmission magnetic circular dichroism (MCD) spectroscopy has been widely used to reveal the spin-dependent band structure of ferromagnetic semiconductors.
Hiroshi Terada, Shinobu Ohya, Masaaki Tanaka   +2 more
doaj   +1 more source

Investigation of the Energy Band at the Molybdenum Disulfide and ZrO2 Heterojunctions

Nanoscale Research Letters, 2018
The energy band alignment at the multilayer-MoS2/ZrO2 interface and the effects of CHF3 plasma treatment on the band offset were explored using x-ray photoelectron spectroscopy. The valence band offset (VBO) and conduction band offset (CBO) for the MoS2 /
Xinke Liu, Cong Hu, Kuilong Li, Wenjia Wang, Zhiwen Li, Jinping Ao, Jing Wu, Wei He, Wei Mao, Qiang Liu, Wenjie Yu, Ren-Jei Chung   +11 more
doaj   +1 more source

Unraveling MXene Oxidation Mechanisms Under Realistic Gas Environments by In Situ Gas‐Cell TEM

Advanced Functional Materials, EarlyView.
Real‐time visualization of MXene degradation reveals a fundamental oxidation mechanism under oxygen and moisture environments. Using in situ gas‐cell electron microscopy, this study demonstrates that oxygen degradation drives a thermodynamically controlled high‐temperature transformation into mixed rutile/anatase phases.
Yongfa Cheng, Kunmo Koo, Zizhen Cai, Paty Meza, Yu Wen, Byungseok Seo, Yukun Liu, Xiaobing Hu, Vinayak P. Dravid   +8 more
wiley   +1 more source

Electronic structure of (Ga,Mn)As revisited

New Journal of Physics, 2017
The detailed nature of electronic states mediating ferromagnetic coupling in dilute magnetic semiconductors, specifically (Ga,Mn)As, has been an issue of long debate.
J Kanski, L Ilver, K Karlsson, I Ulfat, M Leandersson, J Sadowski, I Di Marco   +6 more
doaj   +1 more source

Influence of band bending and polarization on the valence band offset measured by x-ray photoelectron spectroscopy

, 2010
The influence of band bending and polarization on the valence band offset measured by x-ray photoelectron spectroscopy (XPS) is discussed, and a modification method based on a modified self-consistent calculation is proposed to eliminate the influence ...
Song HP (Song Huaping), Wei HY (Wei Hongyuan), Xu, XQ, Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, POB 912, Beijing 100083, Peoples R China. 电子邮箱地址: xxq@semi.ac.cn, Guo Y (Guo Yan), Liu XL (Liu Xianglin), Wang J (Wang Jun), Wang ZG (Wang Zhanguo), Xu XQ (Xu Xiaoqing), xlliu@red.semi.ac.cn, Yang SY (Yang Shaoyan), Zhu QS (Zhu Qinsheng), qszhu@semi.ac.cn   +11 more
core  

Dynamic Interfacial Chemistry of Choline Chloride as Electrolyte Additive for Stable Zn‐Iodine Batteries

Advanced Functional Materials, EarlyView.
Choline chloride (ChCl) additive enables dynamic interface engineering in Zn‐I2 batteries by forming hydrophobic polyiodide complexes and a Zn‐stabilizing Ch+‐rich layer under electric field modulation. This dual‐function strategy suppresses iodine hydrolysis and dendrite formation, while optimizing Zn2+ solvation and transport for high‐efficiency ...
Xiaoyu Bi, Yuchuan Ren, Ao Yu, Linlin Yang, Ren He, Yapeng Cheng, Xingqi Chang, Xuan Lu, Yanting Xie, Qian Xue, Hu Yuan, Canhuang Li, Runzhou Huang, Jordi Jacas Biendicho, Chaoqi Zhang, Jian Shang, Andreu Cabot   +16 more
wiley   +1 more source

Valence-band orbital character of CdO: A synchrotron-radiation photoelectron spectroscopy and density functional theory study

, 2023
N-type CdO is a transparent conducting oxide (TCO) which has promise in a number of areas including solar cell applications. In order to realize this potential a detailed knowledge of the electronic structure of the material is essential.
Chris McConville (13083897), D J Payne (13483591), J Zúñiga-Pérez (13484245), R G Egdell (13483606), J J Mudd (13483582), T L Lee (13483603), V Muñoz-Sanjosé (13484248)   +6 more
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