Phase relationships in the Ho–Mn–Ti ternary system at 773K

Liu, Jingqi; Yang, X.-M.; Li, Chunhui; Wang, Xina; Su, Kunpeng; Li, Xueqiang; Tang, Mengqi

doi:10.1016/j.jallcom.2008.09.125

Cited by 3 publications

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References 19 publications

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“…Intralayer manganese atoms form an almost planar 3 6 ‐net with Mn–Mn distances varying from 327.51(4) to 388.51(4) pm (average value: 353.26 pm) in Mn(OH)Br and from 331.25(8) to 415.21(7) pm (average value: 363.90 pm) in the corresponding iodide phase. This is considerably longer than the bonds in metallic α‐Mn (225.25–292.37 pm) and also longer than the Mn–Mn distances in Mn(OH) 2 (332.20 pm).…”

Section: Resultsmentioning

confidence: 82%

Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr₂·4H₂O

Falkowski

Zeugner

Isaeva

et al. 2019

Zeitschrift anorg allge chemie

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The pale-pink, hygroscopic compounds Mn(OH)X (X = Br, I) were obtained by high-pressure synthesis in a Walker-type multianvil apparatus. They crystallize in the space group P2 1 /c with a = 640.48 (3), b = 698.80(3), c = 615.54(2) pm, β = 110.30(1)°at 183(1) K (X = Br), and a = 686.18(3), b = 713.08(3), c = 637.18(3) pm, β = 109.51(1)°at 150(1) K (X = I). The crystal structures are isotypic to Cu(OH)Cl and consist of edge-sharing distorted Mn(OH) 3 X 3 octahedra arranged in sheets parallel to the bc-plane. Spin-polarized scalar-rela-Z. Anorg. Allg. Chem. 2019, 645, 919-926 919 tivistic DFT+U calculations predict an intrinsic magnetic insulating state (ca. 3.5 eV bandgap) that is proximate to frustration. Calculated effective magnetic moments equal to 4.34 μ B /f.u. for Mn(OH)Br and 4.33 μ B /f.u. for Mn(OH)I. FT-IR spectroscopy confirmed interlayer hydrogen bonding. As a side result of the experiments, the compound trans-MnBr 2 ·4H 2 O was obtained. It crystallizes in the space group Cmcm with a = 438.64(2), b = 1167.84(6), and c = 730.95(4) pm. Experimental Section Synthesis: Single crystals of the manganese hydroxide halides Mn(OH)Br and Mn(OH)I were obtained under high-pressure/hightemperature conditions from reaction mixtures of manganese (99+ %, Sigma Aldrich, Steinheim, Germany) and BiX 3 (X = Br, I; BiBr 3 : 98+ %, Strem Chemicals, Newburyport, USA; BiI 3 : 99.95 %, Alfa Aesar, Karlsruhe, Germany) in the ratio 3:1, hydrolyzed with water vapor. Alternatively, Mn(OH)I was prepared via a reaction of an equi-atomic Journal of Inorganic and General Chemistry Zeitschrift für anorganische und allgemeine ChemieAs the determination of the hydrogen atom positions in trans-MnBr 2 ·4H 2 O was not possible, the BLBS concept [34,35]

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Section: Resultsmentioning

confidence: 82%

Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr₂·4H₂O

Falkowski

Zeugner

Isaeva

et al. 2019

Zeitschrift anorg allge chemie

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Experimental Investigation and Thermodynamic Assessment of Phase Equilibria at the Ti-Mn side in the Ti-Mn-Mo Ternary System

Wang,

Wu,

et al. 2024

J. Phase Equilib. Diffus.

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Phase Equilibria of the Ti-Nb-Mn Ternary System at 1173K, 1273K and 1373K

Guo

Zheng

et al. 2023

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Phase equilibria in the Ti-Nb-Mn ternary system at 1173K, 1273K and 1373K were studied through the equilibrated alloy method by using scanning electron microscopy (SEM), electron probe microanalysis (EPMA) and X-ray diffraction (XRD) techniques. A new stable ternary phase K was confirmed and the composition was around Ti50Nb7Mn43. A wide-range continuous solid solution phase (Ti,Nb)Mn2 with the C14 Laves structure had been found at these temperatures due to the same phase structures of TiMn2 and NbMn2 phases. The solubility of Nb in TiMn4, αTiMn and βTiMn intermetallic compounds was determined. Based on the experimental results and reasonable extrapolations, the isothermal sections of Ti-Nb-Mn ternary system at 1173K, 1273K and 1373K were constructed.

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Phase relationships in the Ho–Mn–Ti ternary system at 773K

Cited by 3 publications

References 19 publications

Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr₂·4H₂O

Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr₂·4H₂O

Experimental Investigation and Thermodynamic Assessment of Phase Equilibria at the Ti-Mn side in the Ti-Mn-Mo Ternary System

Phase Equilibria of the Ti-Nb-Mn Ternary System at 1173K, 1273K and 1373K

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Phase relationships in the Ho–Mn–Ti ternary system at 773K

Cited by 3 publications

References 19 publications

Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr2·4H2O

Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr2·4H2O

Experimental Investigation and Thermodynamic Assessment of Phase Equilibria at the Ti-Mn side in the Ti-Mn-Mo Ternary System

Phase Equilibria of the Ti-Nb-Mn Ternary System at 1173K, 1273K and 1373K

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Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr₂·4H₂O

Synthesis and Characterization of the Manganese Hydroxide Halides Mn(OH)X (X = Br, I) and Crystal Structure of trans‐MnBr₂·4H₂O