Results 231 to 240 of about 44,307 (293)

Stabilization of the Benzene Radical Trianion in an Inverse‐Sandwich Yttrium Complex

Angewandte Chemie, Volume 138, Issue 13, 23 March 2026.
A new type of benzene anion state is born: The unprecedented benzene radical trianion embedded in an inverse‐sandwich yttrium complex was synthesized by a one‐electron chemical reduction of its benzene dianion precursor using potassium graphite in the presence of [2.2.2]‐cryptand.
Weiqing Mao, Saroshan Deshapriya, Shenglai Yao, Christian Lorent, Matthias Driess, Selvan Demir   +5 more
wiley   +2 more sources

Deciphering the “Missing Xenon Paradox” in Celestial Bodies: A Multifaceted Perspective Toward Demystifying This Enigma

Journal of Geophysical Research: Planets, Volume 131, Issue 4, April 2026.
Abstract Xenon (Xe) is a heavy noble gas with intriguing chemical properties, such as having several stable isotopes and the ability to form compounds under extreme conditions. Despite the predictions based on cosmochemical models that suggest xenon should be relatively abundant in planetary reservoirs, empirical data indicate a significant depletion ...
Avinash Kumar Both, Avradip Ghosh, Chin Li Cheung   +2 more
wiley   +1 more source

Harnessing Controlled Dealloying–Support Coupling for Ultrastable PtNi Catalysts in PEMFC Applications

Angewandte Chemie, Volume 138, Issue 12, 16 March 2026.
A controllable alloying–dealloying strategy constructs PtNi core–shell nanoparticles confined within an N‐doped carbon framework. Selective ammonia‐assisted dealloying forms a Pt‐rich shell while immobilizing Ni as Ni–N/C moieties, synergistically stabilizing the catalyst.
Fei Guo, Manxi Gong, Longxiang Liu, Bochen Li, Ruwei Chen, Mengjun Gong, Wei Zong, Jianuo Chen, Qi Li, Jing Li, Yunpeng Zhong, Zeyi Zhang, Jianrui Feng, Rhodri Jervis, Guanjie He   +14 more
wiley   +2 more sources

Surface‐State–Regulated Product Distribution in Photothermal CO2 Hydrogenation Over MXene‐Based S‐Scheme Catalyst

Angewandte Chemie, Volume 138, Issue 12, 16 March 2026.
This work establishes an MXene‐based S‐scheme heterojunction in which the cooperative interplay among metallic Ni, surface NiOx domains, and conductive Ti3C2Clx drives efficient charge separation and photothermal coupling. Progressive evolution of Ni surface states regulates the CH4/CH3OH product distribution by modulating interfacial energetics and ...
Dawid D. Kruger, María Cabrero‐Antonino, Silvio Osella, Feiyan Xu, Jiaguo Yu, Ana Primo, Hermenegildo Garcia   +6 more
wiley   +2 more sources

Na4Ba9MnN3: A New Subnitridometalate with Trigonal Planar Anions [MnIIIN3]6−

Zeitschrift für anorganische und allgemeine Chemie, Volume 652, Issue 4, 17 March 2026.
The new subvalent nitridomanganate(III) Na4Ba9MnN3 contains structural elements known from ionic subnitridometalates as well as from intermetallic phases. In similarity to Ba3MnN3, isolated trigonal planar nitridomanganate(III) anions (MnN3)6−, coordinated by barium atoms represent the ionic region, while mixed barium‐sodium icosahedra known from ...
Lea‐Viktoria Pietsch, Constantin Hoch
wiley   +1 more source

Mechanosynthesis of intermetallic compounds

Metal Powder Report, 1992
openaire   +1 more source

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Some Statistics on Intermetallic Compounds

Inorganic Chemistry, 2014
It is still largely unknown why intermetallic phases show such a large variety of crystal structures, with unit cell sizes varying between 1 and more than 20 000 atoms. The goal of our study was, therefore, to get a general overview of the symmetries, unit cell sizes, stoichiometries, most frequent structure types, and their stability fields based on ...
Julia, Dshemuchadse, Walter, Steurer
openaire   +2 more sources

The intermetallic compound Ni3Zr

Journal of the Less Common Metals, 1979
Abstract The intermetallic compound Ni3Zr has been isolated; it is stable at room temperature but decays by a peritectoid reaction at 940 °C according to: 4Ni3Zr → Ni7Zr2 + Ni5Zr2. Ni3Zr is a hexagonal close-packed compound of the Ni3Sn type (D019), space group P6 3 mmc .
C Becle, B Bourniquel, G Develey, M Saillard   +3 more
openaire   +1 more source

Photoeffects in Intermetallic Compounds

Proceedings of the IRE, 1955
The intermetallic semiconductors are classified with respect to their crystal structure and to the place of the component elements in the periodic system. A survey is given of the properties of compounds with the zincblende and fluorite lattice. Photoeffects of individual members of these two groups are discussed. Such phenomena include photoconduction,
H. R. Frederikse, R. Blunt
openaire   +1 more source

Quaternary Intermetallic Compounds

Nature, 1934
INVESTIGATORS of metallic systems by thermal and X-ray methods have found many binary intermetallic compounds ; they have found, however, only a few ternary and no quaternary compounds. If a metal or metals of one class (zinc, tin, cadmium, mercury) reacts in mercury at ordinary temperature with one of another (copper, iron, cobalt, nickel, manganese),
openaire   +1 more source