Crystal Structure and Magnetic Properties of Pyrrhotite-Type Compounds Fe7-yVyS8
نویسندگان
چکیده
منابع مشابه
Crystal structure and magnetic properties of Cr3Te5O13Cl3.
A new chromium tellurite oxochloride, Cr3Te5O13Cl3, has been prepared by solid-state reaction and the crystal structure was determined by single crystal X-ray diffraction. The compound crystallizes in the non-centrosymmetric space group P2(1)2(1)2(1) with the unit cell a = 4.90180(10) Å, b = 17.3394(2) Å, c = 17.5405(2) Å, Z = 4, R1 = 0.0282. The Cr(3+) ions have octahedral [CrO6] oxygen coordi...
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Single crystals as well as microcrystalline powders of Cs2NiO2 were obtained via the azide/nitrate route from appropriate mixtures of CsN3, CsNO3 and NiO. The single-crystal structure analysis confirmed that Cs2NiO2 crystallizes in the tetragonal space group I4/mmm (Z = 2, a = 4.4090(3), c = 13.576(3) Å, R1 = 0.036, wR2 = 0.093). Above 45 K, Cs2NiO2 is paramagnetic, and an analysis based on the...
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The [Os(III)(CN)6]3- anion is prepared by chemical oxidation in aqueous solution and isolated as yellow prisms of [Ph4P]3[Os(III)(CN)6].6H2O (1). This species crystallizes in the triclinic space group P with cell parameters a = 13.7609(11) A, b = 16.2275(13) A, c = 17.0895(14) A, alpha = 91.4040(10) degrees , beta = 109.3600(10) degrees , gamma = 102.3970(10) degrees , V = 3497.4(5) A(3), and Z...
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U2Ni2Sn belongs to a large group of U2T2X compounds which are very sensitive to hydrogen absorption. U2Ni2SnH1.8 and U2Ni2SnD1.8 exhibit similar magnetic behaviour they order antiferromagnetically at T = 87 K, which is much higher than TN = 26 K in U2Ni2Sn. Deuterium lattice sites were determined by neutron diffraction. Uranium magnetic moments ≈ 0.8(3) μB lie in the basal plane of the tetragon...
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5d Solid-state oxides K0.84OsO3 (Os5.16+; 5d2.84) and Bi2.93Os3O11 (Os4.40+; 5d3.60) were synthesized under high-pressure and high-temperature conditions (6 GPa and 1500-1700 °C). Their crystal structures were determined by synchrotron x-ray diffraction and their 5d electronic properties and tunnel-like structure motifs were investigated. A KSbO3-type structure with a space group of Im-3 and Pn...
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ژورنال
عنوان ژورنال: Acta Physica Polonica A
سال: 2018
ISSN: 0587-4246,1898-794X
DOI: 10.12693/aphyspola.133.450