نتایج جستجو برای: dysprosium

تعداد نتایج: 794  

Journal: :Acta crystallographica. Section C, Crystal structure communications 2011
Sesegma Dorzhieva Ihor Chumak Angelina Sarapulova Daria Mikhailova Jibzema Bazarova Helmut Ehrenberg

In the present tetragonal modification of dysprosium orthomolybdate, Dy(2)(MoO(4))(3), the Dy, one Mo and one O atom are located on a mirror plane with Wyckoff symbol 4e, while another Mo atom is located on a fourfold inverse axis, Wyckoff symbol 2a. A single crystal was selected from a polycrystalline mixture of the Dy(2)O(3)-ZrO(2)-MoO(3) system and was stable at room temperature for at least...

2016
A. von Reppert J. Pudell A. Koc M. Reinhardt W. Leitenberger K. Dumesnil F. Zamponi M. Bargheer

We present a temperature and fluence dependent Ultrafast X-Ray Diffraction study of a laser-heated antiferromagnetic dysprosium thin film. The loss of antiferromagnetic order is evidenced by a pronounced lattice contraction. We devise a method to determine the energy flow between the phonon and spin system from calibrated Bragg peak positions in thermal equilibrium. Reestablishing the magnetic ...

Journal: :Journal of Phase Equilibria and Diffusion 2009

Journal: :Korean Journal of Materials Research 2019

Journal: :Materials Chemistry and Physics 2021

Dysprosium-doped Ruddlesden−Popper calcium manganates with compositions of Ca2-xDyxMnO4 are potential candidates for high temperature thermoelectric applications. The effect dysprosium doping on the crystal structure at room and its thermal behavior between RT 800 °C were investigated in range 0 < x 0.2 by Rietveld analysis RT- HT- X-ray powder diffraction data. confirmed compatibility all anal...

2005
R. G. CRAIG

Neutron activation analysis with dysprosium as a tracer was employed to determine quantitatively the microleakage around the restorations of an experimental hydrophobic composite, as well as a commercial composite. Only a negligible uptake of tracer was obtained for the experimental composite, whereas a five-fold uptake was recorded for the commercial composite. Capillary penetration of fluid a...

Journal: :Chemical Communications 2021

The first trimetallic dysprosocenium single-molecule magnet is described. This material signposts a polycationic dysprosium metallocene SMM with properties that could surpass those of leading systems.

Journal: :Dalton transactions 2017
Feng Gao Feng-Lei Yang Xiaowan Feng Huimin Xu Wang Sun Huan Liu Xiu-Ling Li

Four half-sandwich type mononuclear lanthanide crown ether complexes with the formula [Ln(12-crown-4)(NO3)3] (Ln3+ = Dy3+ (1), Tb3+ (2), Ho3+ (3), and Er3+ (4); 12-crown-4 = 1,4,7,10-tetraoxacyclododecane) were successfully synthesized and structurally characterized. Ac magnetic susceptibility measurements reveal that dysprosium complex 1 behaves as a typical single-ion magnet, while solid stat...

Journal: :Dalton transactions 2012
Melina Nematirad William J Gee Stuart K Langley Nicholas F Chilton Boujemaa Moubaraki Keith S Murray Stuart R Batten

The heptadentate Schiff base ligand, 2-(2-hydroxyphenyl)-1,3-bis[4-(2-hydroxyphenyl)-3-azabut-3-enyl]-1,3-imidazoline (H(3)api), yields [Ln(2)api(2)] species when combined with lanthanide salts under basic conditions. A survey of the magnetic properties of this dinuclear lanthanide motif (Ln = Gd, Tb, Dy, Ho) has identified weak magnetic exchange, antiferromagnetic in nature for the isotropic g...

2009
Dan Zhao Feifei Li Wendan Cheng Hao Zhang

The title compound sodium dysprosium(III) bis-[tungs-tate(VI)], NaDy(WO(4))(2), has been synthesized under high temperature solution growth (HTSG) conditions in air. The compound crystallizes with the scheelite structure and is composed of isolated WO(4) tetra-hedra ( symmetry) with one set of bond lengths and distorted [(Na/Dy)O(8)] dodeca-hedra ( symmetry; occupancy ratio Na:Dy = 1:1) with tw...

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