Results 251 to 260 of about 39,546 (266)

Atomic coordination, Chemical Bonding and Electronic State of Praseodymium in Pr2Si7

Zeitschrift für anorganische und allgemeine Chemie, Accepted Article.
The new binary silicide Pr2Si7 is prepared by high‐pressure high‐temperature techniques at 9.5 GPa and 1100 K (600 min). The crystal structure is solved and refined using synchrotron X‐ray diffraction data. It belongs to the structure type of Ce2Si7 (space group Cmmm, a = 7.1513(2) Å, b = 10.0033(2) Å, c = 4.5417(1) Å, Z = 2).
Ulrich Schwarz, Teuta Neziraj, Frank R Wagner, Steffen Wirth, Alim Ormeci, Yuri Grin   +5 more
wiley   +1 more source

P21.1 at PETRA III – a high‐energy X‐ray diffraction beamline for physics and chemistry

Journal of Synchrotron Radiation, EarlyView.
A detailed description of the technical specifications of beamline P21.1 at the PETRA III storage ring is given. It serves as a reference for the beamline user community and, by giving a number of scientific examples, we hope to inspire future experiments.Beamline P21.1 at PETRA III uses high‐energy photons for the investigation of materials structure ...
Martin v. Zimmermann, Oleh Ivashko, Fernando Igoa Saldaña, Jiatu Liu, Philipp Glaevecke, Olof Gutowski, Rüdiger Nowak, Katharina Köhler, Björn Winkler, Andreas Schöps, Horst Schulte-Schrepping, Ann-Christin Dippel   +11 more
wiley   +1 more source

Magnetic structure determination of multiple phases in the multiferroic candidate GdCrO3

Acta Crystallographica Section B, EarlyView.
Using neutron powder diffraction, the successive magnetic structures in multiferroic candidate GdCrO3 have been determined, including a complex incommensurate phase below 2.3 K. The symmetry analysis uses a combination of little group formalism and superspace group approach highlighting the strength of each method and the results are reported using the
Pascal Manuel, Dmitry Khalyavin, Fabio Orlandi, Laurent Chapon, Wang Xueyun, Tae-Hwan Jang, Eun Sang Choi, Sang-Wook Cheong   +7 more
wiley   +1 more source

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Antiferromagnetic resonances and magnetization of a canted antiferromagnet

Journal of Magnetic Resonance, 2004
A two-sublattice model has been applied to a canted antiferromagnet including both Dzyaloshinsky-Moria interaction and double-exchange. Static magnetization and frequencies of the antiferromagnetic resonances (AFMR) were calculated for static magnetic fields along the principal crystallographic axes of an orthorhombic crystal. The experimental data for
Mukhin, A. A., Biberacher, Markus, Pimenov, Andrei, Loidl, Alois   +3 more
openaire   +4 more sources

Antiferromagnetic relaxation in orthorhombic antiferromagnets

Physica B+C, 1976
Abstract The time evolution of the autocorrelation function ( M Z , M Z ( t )), where M Z denotes the total uniform magnetization along the easy axis, is investigated in the two orthorhombic antiferromagnets CuCl 2 · 2H 2 O and LiCuCl 3 · 2H 2 O.
W.L.C. Rutten, J.C. Verstelle, W.M. de Jong   +2 more
openaire   +2 more sources

Antiferromagnetism in Metals [PDF]

Proceedings of the Physical Society. Section A, 1953
Neutron diffraction studies of chromium and manganese by Shull & Wilkinson have disclosed the existence of a partial antiferromagnetic ordering in these metals, dissimilar in several respects from the antiferromagnetism which occurs in compounds such as MnF 2 and MnO.
openaire   +2 more sources

Antiferromagnetism in Gd2Ni2Cd

Journal of Magnetism and Magnetic Materials, 1999
Abstract Structural, electric and magnetic measurements have been performed on the new rare earth intermetallic compound Gd 2 Ni 2 Cd. It crystallises in the Mn 2 B 2 Al-type structure (space group Cmmm) and undergoes an antiferromagnetic transition at 65 K. Above 70 K the compound follows the Curie–Weiss law with μ =8.03  μ B and θ =+22 K.
CANEPA, FABIO MICHELE, CIRAFICI, SALVINO, MERLO, FRANCO, PANI, MARCELLA, FERDEGHINI, CARLO FRANCESCO   +4 more
openaire   +2 more sources

A model for an antiferromagnet

Physica, 1973
Abstract An exactly solvable model for an antiferromagnet is proposed, which consists of two coupled Van der Waals spin systems with a Heisenberg interaction. The model exhibits a second-order phase transition.
Jan Kraak, As Devries, G. Vertogen
openaire   +3 more sources

Magnetostatic Modes in Antiferromagnets and Canted Antiferromagnets

Journal of Applied Physics, 1966
The resonance frequencies of the magnetostatic modes are calculated for an antiferromagnetic sphere with a dc magnetic field applied along the direction of easy magnetization. For resonance at a fixed frequency, the separations between the various modes are of order 0.2 (2HexHA)½4πM/Hex Oe.
openaire   +2 more sources

On the Antiferromagnetism of a-FeOOH

physica status solidi (b), 1966
AbstractThe Mössbauer effect is measured in natural and synthetic α‐FeOOH samples in an attempt to resolve discrepancies between results reported in the literature. The present results indicate that the deviations can be explained by the presence of water in some of the samples. The Néel temperature is found to be (367 ± 2) °K. The measured temperature
M. Fodor, I. Dézsi
openaire   +2 more sources