A review of synthetic, thermoanalytical, IR, Raman and X-ray studies on metal selenites

Verma, Vishwnath

doi:10.1016/s0040-6031(98)00577-2

Cited by 108 publications

(29 citation statements)

References 121 publications

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“…In fact, the coexistence of different anions in the same unit cell and the structural arrangement of all the polyhedral are the origin of structural phase transition accompanied by important physical properties [2][3][4][5][6].…”

Section: Introductionmentioning

confidence: 99%

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Phase transitions and vibrational study of (Cs3.5Rb0.5)[(Se0.85S0.15)O3]2[Te(OH)6]3 material

Djemel

Abdelhedi

Dammak

et al. 2013

Journal of Molecular Structure

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Section: Introductionmentioning

confidence: 99%

“…In fact, the compounds of general formula M 2 XO 4 ÁTe(OH) 6 (M = Na + , NH 4 + , Rb + , Cs + and X = S, Se, P) undergo structural phase transitions and interesting physical properties such as superprotonic conduction and ferroelectricity [1][2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Phase transitions and vibrational study of (Cs3.5Rb0.5)[(Se0.85S0.15)O3]2[Te(OH)6]3 material

Djemel

Abdelhedi

Dammak

et al. 2013

Journal of Molecular Structure

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“…Characteristic N-H bending peaks are also observed at 1588 cm -1 . In complex 1, the band around 640 cm -1 can be attributed to the SeO 3 2-anion, [17] hydrogen-bonded to the coordinated ethylenediamine ligand (vide infra).…”

Section: Synthesis and Structural Characterization Of Complexes 1 Andmentioning

confidence: 99%

Synthesis, Structural Characterization, and Magnetic Properties of the Heteroleptic Dinuclear Nickel Selenite Complex [{Ni(TMEDA)SeO₃}₂]

et al. 2011

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The reaction of Ni(NO 3 ) 2 ·6H 2 O with Na 2 SeO 3 in the presence of tetramethylethylenediamine (TMEDA) in a water/ ethanol mixture yielded the heteroleptic complex [{Ni(TMEDA)SeO 3 } 2 ] (1). Single-crystal X-ray diffraction analysis showed that complex 1 consists of a dinuclear species in which the two nickel atoms are held together by two bridging selenito anions. The crystal packing of 1 is determined by networks of hydrogen bonds, involving cocrystal-

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“…Such solidification is indicative of the glass-formation tendency of (SeO 3 2− )-chains which manifests itself in the selenite glasses. 17,18 To summarize, a hypothetical ternary system Ag-Ag 2 Se-Ag 2 SeO 3 was constructed in order to assist in the explanation of (i) the mechanism of in-situ oxidation, (ii) the sequence of phase equilibria and (iii) various morphologies which appear in the in-situ oxidized Ag 2 Se particles. It also reasonably includes the DSC results of the oxidized alloy sample.…”

Section: Vertical Section Through the Ag-ag 2 Se-ag 2 Seo 3 Ternary Smentioning

confidence: 99%

Internal Oxidation of a Ag-l.3 at.% Se Alloy. Part I: Composition and Appearance of Oxidation Products

Roth

Kosec

Skraba

et al. 2004

Oxidation of Metals

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The internal oxidation of a two-phase at.% Se alloy in pure oxygen was studied at 750, 800 and 830 • C. The alloy is composed of a dilute solid solution of selenium in silver) and Ag 2 Se intermetallic particles. The internal oxidation of this alloy proceeds through gradual in-situ oxidation of the Ag 2 Se particles as well as through diffusive internal oxidation of selenium from solid solution. Gradual in-situ internal oxidation of Ag 2 Se particles reflects itself in the appearance of two internal-oxidation fronts, inner and outer, marking the beginning and end of the in-situ oxidation of Ag 2 Se particles. The oxide phase formed during in-situ oxidation is the molten double oxide, Ag 2 SeO 3 . A theoretical treatment of the phase relationships in a hypothetical Ag-Ag 2 Se-Ag 2 SeO 3 ternary phase diagram is presented to assist the explanation of the mechanism of in-situ oxidation. The kinetics of oxidation are presented in Part II.KEY WORDS: silver-selenium alloy; Ag 2 Se in-situ oxidation; Ag 2 SeO 3 ; internal oxidation of two-phase alloys.

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A review of synthetic, thermoanalytical, IR, Raman and X-ray studies on metal selenites

Cited by 108 publications

References 121 publications

Phase transitions and vibrational study of (Cs3.5Rb0.5)[(Se0.85S0.15)O3]2[Te(OH)6]3 material

Phase transitions and vibrational study of (Cs3.5Rb0.5)[(Se0.85S0.15)O3]2[Te(OH)6]3 material

Synthesis, Structural Characterization, and Magnetic Properties of the Heteroleptic Dinuclear Nickel Selenite Complex [{Ni(TMEDA)SeO₃}₂]

Internal Oxidation of a Ag-l.3 at.% Se Alloy. Part I: Composition and Appearance of Oxidation Products

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A review of synthetic, thermoanalytical, IR, Raman and X-ray studies on metal selenites

Cited by 108 publications

References 121 publications

Phase transitions and vibrational study of (Cs3.5Rb0.5)[(Se0.85S0.15)O3]2[Te(OH)6]3 material

Phase transitions and vibrational study of (Cs3.5Rb0.5)[(Se0.85S0.15)O3]2[Te(OH)6]3 material

Synthesis, Structural Characterization, and Magnetic Properties of the Heteroleptic Dinuclear Nickel Selenite Complex [{Ni(TMEDA)SeO3}2]

Internal Oxidation of a Ag-l.3 at.% Se Alloy. Part I: Composition and Appearance of Oxidation Products

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Synthesis, Structural Characterization, and Magnetic Properties of the Heteroleptic Dinuclear Nickel Selenite Complex [{Ni(TMEDA)SeO₃}₂]