Results 141 to 150 of about 24,619 (304)

Optical and Electrical Properties of Bulk-grown Ternary InxGa1?xAs

, 2011
Bulk ternary InxGa1−xAs polycrystals were grown using the vertical Bridgman technique. The optical and electrical properties of these bulk InxGa1−xAs were investigated as a function of indium mole fraction from 0.75 to 0.99 by using photoluminescence (PL)
G. Rajagopalan, S. Guha, Mee-YI Ryu, L. P. Gonzalez, Guha, Shekhar, Y. K. Yeo, Ryu, Mee-Yi, A. C. Bergstrom, Hengehold, Robert L., Wei, Jean, Gonzalez, Leonel P., R. L. Hengehold, Yeo, Yung Kee, Rajagopalan, G., J. W. Wei, Bergstrom, A. C.   +15 more
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A Pore or not a Pore? Understanding Pore Size Distributions of Non‐Graphitic Carbon and Atomically‐Dispersed M‐N‐C Materials

Advanced Science, EarlyView.
Gassorption analysis of in‐plane functionalized carbons reveals small, uniform ultramicropore signatures as potential artefacts of specific adsorption of the probe gases. Low‐pressure Langmuir fitting links these features to distinct functionalities via adsorption energies, enabling straightforward quantification of otherwise inaccessible surface‐site ...
Simon W. J. Dietzmann, Asad Mehmood, Jian Liang Low, Shu‐Han Wu, Carsten Prinz, Ana Guilherme Buzanich, Jörg Radnik, Paul A. Appel, Franziska Emmerling, Tim‐Patrick Fellinger   +9 more
wiley   +1 more source

Correlation between optical and electrical properties in In0.52Al0.48As/InxGa1-xAs metamorphic high-electron-mobility-transistor structures on GaAs substrates

, 2006
4.2 K photoluminescence (PL) and 77 K standard Hall-effect measurements were performed for In0.52Al0.48As/InxGa1-xAs metamorphic high-electron-mobility-transistor (HEMT) structures grown on GaAs substrates with different indium contents in the InxGa1-xAs
Cui, LJ, Chinese Acad Sci, Novel Mat Lab, Inst Semicond, Beijing 100083, Peoples R China. E-mail: ljcui@red.semi.ac.cn, Zhu ZP (Zhu Z. P.), Cui LJ (Cui L. J.), Zeng YP (Zeng Y. P.), Guo SL (Guo S. L.), Wang BQ (Wang B. Q.), Chu JH (Chu J. H.)   +6 more
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Alloy Scattering in P-Type Alxga1-Xas

, 1992
The hole mobility of Be‐doped ( ~ 2 × 1017 cm-3) AlxGa1-xAs, for x=0–1, is analyzed both theoretically and experimentally. Alloy scattering is very important, and in fact reduces the hole mobility from 150 to less than 90 cm2/V s at x=0.5.
K. R. Evans, Evans, K. R., D. C. Look, J. R. Sizelove, C. E. Stutz, Whitson, D. W., D. W. Whitson, Look, David C., D. K. Lorance, Sizelove, J. R., Stutz, C. E., Lorance, D. K.   +11 more
core   +1 more source

Exceptional CO2 Hydrogenation to Gasoline Enabled by GaZrOx/Ga‐ZSM‐5 Tandem Catalyst

Advanced Science, EarlyView.
A GaZrOx/Ga‐ZSM‐5 tandem catalyst achieves 17.2% CO2 conversion with 83.2% C5+ selectivity and >400 h stability relies on optimized O‐vacancies and Ga‐H coverage for CO2 hydrogenation. ABSTRACT CO2 hydrogenation to gasoline offers a promising route for addressing energy challenges and enabling the effective utilization of carbon resources. However, the
Wenhui Li, Yujing Sun, Bingyu Liu, Yaoyang Ni, Hong Yang, Xinwen Guo   +5 more
wiley   +1 more source

Alignment of misfit dislocations in the In0.52Al0.48As/InxGa1-xAs/In0.52Al0.48As/InP heterostructure

, 1998
It was observed with transmission electron microscopy in the In0.52Al0.48As/InxGa1-xAs/In0.52Al0.48As system grown on the (001) InP substrate that misfit dislocation lines deviate [110] directions at an angle with its value depending on the gallium ...
Wu J, Wang ZG, Li HX, Fan TW, Wu J,Chinese Acad Sci,Inst Semicond,Lab Semicond Mat Sci,Beijing 100083,Peoples R China.   +4 more
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Spin‐Selective Oxygen Evolution in Chiral Molecule‐Intercalated Layered Double Hydroxides

Advanced Science, EarlyView.
This hybrid electrocatalyst utilizes chiral phenylalanine intercalation within layered double hydroxides to boost oxygen evolution. Acting as a spin filter via the chiral‐induced spin selectivity effect, the material directs electron transfer along a lower‐energy pathway.
Chih‐Ying Huang, Cheng‐Rong Wu, Yang‐Sheng Lu, Yu‐Ying Chang, Chia‐Che Chang, Tsung‐Hsin Liu, Che‐Lun Lee, Jessie Shiue, Yu‐Chang Lin, Wei‐Tsung Chuang, Huang‐Ming Tsai, Ya‐Lun Ho, Jau‐Wern Chiou, Hua‐Shu Hsu, Shao‐Sian Li, Chia‐Chun Chen, Way‐Faung Pong, Chun‐Wei Chen   +17 more
wiley   +1 more source

French CRG XAS beamlines Handbook

11 Introduction | 12 Beamline optical constituents | 14 Mandatory information to describe an experiment | 16 List of acronyms | 17 Selected general formula | 18 EXAFS equation | 19 XAS mode of detection | 22 Self-Absorption effects | 25 ...
Hazemann, Jean-Louis, F, Hubert, Zoltan, Blommaert, Hester, Vidal, Vladimir, Kieffer, Isabelle, Min, Sophie, Proux, Olivier, Lahera, Eric, Rovezzi, Mauro, Joly, Yves, da Silva, Julio Cesar, Longo, Alessandro, Muñoz, Manuel, Boudjehem, Mohamed Redhouane, Maurin, Isabelle, Aguilar-Tapia, Antonio, Kulow, Anico, Nassereddine, Abdallah, Arnaud, Robin, Chaurand, Perrine, Testemale, D., Borschneck, D   +21 more
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Study on the Reaction Mechanism of RuOx and Its Enhanced Hydrogen Evolution Reaction Activity

Advanced Science, EarlyView.
In situ Raman spectroscopy and DFT calculations reveal that, prior to the onset of HER, the surface of RuOx undergoes reversible reduction and structural reconstruction. The resulting Ru(II)O/Ru(IV)O2 configuration is identified as the true catalytically active species.
Liquan Zhang, Haobo Dong, Jianrui Feng, Longxiang Liu, Fei Guo, Liqun Kang, Guoliang Chai, Mohamed A. Ghanem, Xinde Chen, Ivan P. Parkin   +9 more
wiley   +1 more source

Electrocatalytic Coupling Conversion of Methane by Dual‐Site Control in Nickel Oxyhydroxide

Advanced Science, EarlyView.
Electrocatalytic coupling conversion of methane (CH4) is accomplished on the nickel oxyhydroxide (NiOOH), wherein the Ni─O dual‐site is triggered via the proper electronic interaction, synergistically promoting the C─H activation and C─C formation, enabling a selective and efficient C2 product generation route under ambient conditions. ABSTRACT Methane
Kailong Lu, Yangshen Chen, Junhao Wang, Yi Zhang, Sunyang He, Huimin Xu, Hui Liu, Jiao Deng   +7 more
wiley   +1 more source