Results 71 to 80 of about 32,911 (288)

Mixed‐Metal Promotion in a Manganese‐Molybdenum Oxynitride as Catalyst to Integrate C─C and C─N Coupling Reactions for the Direct Synthesis of Acetonitrile from Syngas and Ammonia

Advanced Materials, EarlyView.
Transition metal oxy/carbo‐nitrides show great promise as catalysts for sustainable processes. A Mn‐Mo mixed‐metal oxynitride attains remarkable performance for the direct synthesis of acetonitrile, an important commodity chemical, via sequential C─N and C─C coupling from syngas (C1) and ammonia (N1) feedstocks.
M. Elena Martínez‐Monje, Wilson Henao, Tania Rodenas, Patricia Concepción, Virginia Pérez Dieste, Alexander Missyul, Giovanni Agostini, Gonzalo Prieto   +7 more
wiley   +1 more source

First-principles calculation on electronic properties of zinc oxide by zinc–air system

Journal of King Saud University: Engineering Sciences, 2017
First-principles calculations are performed to study the electronic properties of zinc oxide (ZnO) formed on an anode after discharging a Zn–air system.
Ahmad Azmin Mohamad, Muhammad Syafiq Hassan, Muhamad Kamil Yaakob, Mohamad Fariz Mohamad Taib, Fadhlul Wafi Badrudin, Oskar Hasdinor Hassan, Muhd Zu Azhan Yahya   +6 more
doaj   +1 more source

Robust Bain distortion in the premartensite phase of platinum substituted Ni2MnGa magnetic shape memory alloy

, 2017
The premartensite phase of shape memory and magnetic shape memory alloys (MSMAs) is believed to be a precursor state of the martensite phase with preserved austenite phase symmetry.
Chadov, S., D'Souza, S., Devi, P., Dutta, B., Felser, C., Gibbs, A., Hickel, T., Pandey, D., Singh, S., Zavareh, M., Zavareh, M.   +10 more
core   +2 more sources

Polymorph‐Specific Electronic Transduction in WO3 during Molecular Sensing

Advanced Materials, EarlyView.
Metal‐oxide polymorphs with similar surface chemistry can nevertheless exhibit distinct sensing properties. In γ‐ and ε‐WO3, analyte adsorption appears comparable; yet, only ε‐WO3 induces a pronounced lattice electronic perturbation that accommodates charge in sub‐conduction band minimum states.
Matteo D'Andria, Meng Yin, Stefan Neuhauser, Vlasis G. Mavrantzas, Ying Chen, Ken Suzuki, Andreas T. Güntner   +6 more
wiley   +1 more source

A Reitveld quantitative XRD phase-analysis of selected composition of the Sr(0.5+x)Sb(1−x)Fe(1+x)(PO4)3(0 < x < 0.50) system

MATEC Web of Conferences, 2013
Qualitative XRD phase-analysis of four (x = 0.10, 0.20, 0.30, 0.40) selected compositions of the Sr(0.5+x)Sb(1−x)Fe(1+x)(PO4)3(0 < x < 0.50) system was undertaken. XRD data shows the absence of a continuously solid solution.
Aatiq A., Tigha R., Attaoui A., Nadi N., El Bouari A.   +4 more
doaj   +1 more source

Incommensurate magnetism near quantum criticality in CeNiAsO

, 2019
Two phase transitions in the tetragonal strongly correlated electron system CeNiAsO were probed by neutron scattering and zero field muon spin rotation. For $T
Broholm, C. L., Dunsiger, S. R., Feygenson, M., Frandsen, Benjamin A., Huq, Ashfia, Liu, L., McQueen, T. M., Morey, J. R., Neuefeind, J. C., Phelan, W. A., Stone, Matthew B., Tam, David W., Trump, Benjamin, Tutmaher, J. A., Uemura, Y. J., Wan, Cheng, Wu, Shan   +16 more
core   +1 more source

Evidence for Itinerant Ferromagnetic Flat Bands Producing Large Transverse Responses

Advanced Materials, EarlyView.
Itinerant ferromagnetic flat bands are demonstrated in GdCo5 with a high Curie temperature of 940K, a stacked honeycomb–kagome lattice, through angle‐resolved photoemission spectroscopy and magneto‐thermoelectric measurements. These topological flat bands generate large Berry curvaturte, producing gigantic anomalous Nernst effect with record‐high ...
Susumu Minami, Yangming Wang, Seigo Souma, Hiroto Nakamura, Akito Sakai, Takumi Osumi, Hang Su, Hikaru Watanabe, Shun'ichiro Kurosawa, Rikuto Oiwa, Daisuke Nishio‐Hamane, Kosuke Nakayama, Takuya Nomoto, Ryotaro Arita, Takafumi Sato, Satoru Nakatsuji   +15 more
wiley   +1 more source

Stoichiometry‐Programmed MXenes via Precursor Engineering for High‐Performance EMI Shielding and Energy Storage

Advanced Materials, EarlyView.
Precursor carbon stoichiometry programs internal strain and oxygen substitution in Ti3AlCxO2‐x, deterministically switching Ti3CxO2‐xTz MXenes between highly aligned 2D nanosheets and spontaneous 1D nanoscrolls. This synthesis‐stage architecture control enables ultrathin X/W‐band EMI shielding with outstanding mass‐normalized performance and bending ...
Jaeeun Park, Ju‐Hyoung Han, Yujin Chae, Mincheal Kim, Juwon Han, Younggeun Jang, Young Ho Jin, Jaewon Wang, Shi‐Hyun Seok, Yeoseon Sim, Zonghoon Lee, EunMi Choi, Soon‐Yong Kwon   +12 more
wiley   +1 more source

A detailed investigation of rare earth lanthanum substitution effects on the structural, morphological, vibrational, optical, dielectric and magnetic properties of Co-Zn spinel ferrites

Frontiers in Chemistry
In this work, Co0.5Zn0.5LaxFe2-xO4 (0.00 ≤ x ≤ 0.10) spinel ferrites were synthesized using the sol-gel auto-combustion method. X-ray diffraction (XRD) analysis and Rietveld refinement confirmed the presence of a cubic spinel structure.
Anam Hameed, Ali Asghar, Saqib Shabbir, Ishfaq Ahmed, Ishfaq Ahmed, Ayesha Khan Tareen, Karim Khan, Gulzar Hussain, Majed Yousef Awaji, Majed Yousef Awaji, Hafeez Anwar   +10 more
doaj   +1 more source

Crystal Structure of the Sodium Cobaltate Deuterate Superconductor NaxCoO2o4xD2O (x=1/3)

, 2003
Neutron and x-ray powder diffraction have been used to investigate the crystal structures of a sample of the newly-discovered superconducting sodium cobaltate deuterate compound with composition Na0.31(3)CoO2o1.25(2)D2O and its anhydrous parent compound ...
B. L. Cushing, D. C. Johnston, D. C. Johnston, D. C. Johnston, D. C. Johnston, D. G. Hinks, G. Chiari, I. Steiner, I. Terasaki, J. C. Burley, J. D. Jorgensen, J. D. Jorgensen, J.-J. Braconnier, K. Takada, M. Avdeev, M. L. Foo, N. T. Skipper, P. J. A. Wunderlich, R. D. Shannon, R. J. Balsys, S. H. Kim, S. Kikkawa, S. Short, W. H. Baur, W. H. Baur, Y. Wang, Y.-J. Shin, Z. Lu   +27 more
core   +1 more source