scholarly journals Electronic properties of phases in the quasi-binary Bi2Se3-Bi2S3 system.

2021 ◽  
Author(s):  
Zipporah Rini Benher ◽  
Sandra Gardonio ◽  
Mattia Fanetti ◽  
Paolo Moras ◽  
Asish Kumar Kundu ◽  
...  
Keyword(s):  
Solid Solution ◽  
Diffraction Analysis ◽  
Electronic Properties ◽  
X Ray Diffraction ◽  
X Ray ◽  
Compositional Range ◽  
System P ◽  
Wide Compositional Range

We explored the properties of the quasi-binary Bi2Se3-Bi2S3 system over a wide compositional range. X-ray diffraction analysis demonstrates that rhombohedral crystals can be synthesized within the solid solution interval 0-22...

scholarly journals Caracterização metalúrgica de ligas de Ni-Cr para metalocerimica

2021 ◽  
Vol 40 (1) ◽  
pp. 57-59
Author(s):  
Carlos Ariel Samudio Perez ◽  
Cezar Augusto Garbin
Keyword(s):  
Solid Solution ◽  
Diffraction Analysis ◽  
The Other ◽  
Secondary Phases ◽  
X Ray Diffraction ◽  
X Ray ◽  
Hardness Tests ◽  
Density Values ◽  
Cubic Structure ◽  
Hardness Values

Alternative Ni-Cr alloys applied in dentistry of two commercial brands for ceramometal restoration were evaluated. The alloys were analyzed in the commercial and after casting conditions using experimental techniques of metallography, X-ray diffraction, superficial hardness and density. The metalografics and X-ray diffraction analysis showed that, the alloys microstructure is marked with the presence of a solid solution having an ordered face- centred cubic structure, Ni-rich austenitic (y phase) matrix, and with fine precipitates particles of secondary phases. The Vicker hardness tests showed a decrease in hardness values of the studied alloys aer casting. The alloys density values, on the other hand, did not manifest changes.

Ion Beam Mixing Effects in Au-Fe and Pt-Fe Thin Bilayers

1983 ◽  
Vol 27 ◽  
Author(s):  
G. Battaglin ◽  
A. Carnera ◽  
G. Celotti ◽  
G. Della Mea ◽  
V.N. Kulkarni ◽  
...  
Keyword(s):  
Solid Solution ◽  
Diffraction Analysis ◽  
Linear Dependence ◽  
Ion Beam ◽  
Bilayer Structure ◽  
Square Root ◽  
X Ray Diffraction ◽  
Ion Beam Mixing ◽  
X Ray ◽  
Mixing Effects

ABSTRACTMixing effects induced by Kr++ bombardment in the Au-Fe and Pt-Fe metallic systems have been studied by Rutherford backscattering and X-ray diffraction techniques. The mixed amount of Fe atoms shows a linear dependence on the square root of the Kr do se for both systems. The induced mixing appears more efficient for the Pt-Fe with respect to the Au-Fe system. In the case of Pt-Fe mixing is much more efficient when the initial bilayer structure has Pt on the top. The X-ray diffraction analysis reveals the formation of an extended solid solution of Fe in Pt, having the Fe40 Pt60 composition.

scholarly journals Powder X-ray Diffraction Analysis of Lime-Phase Solid Solution in Converter Slag

2015 ◽  
Vol 55 (3) ◽  
pp. 616-622 ◽  
Author(s):  
Ippei Nishinohara ◽  
Naoki Kase ◽  
Hirokazu Maruoka ◽  
Shoji Hirai ◽  
Hiromi Eba
Keyword(s):  
Solid Solution ◽  
Diffraction Analysis ◽  
Converter Slag ◽  
X Ray Diffraction ◽  
X Ray

scholarly journals Powder X-ray Diffraction Analysis of Lime-Phase Solid Solution in Converter Slag

2013 ◽  
Vol 99 (9) ◽  
pp. 552-558 ◽  
Author(s):  
Ippei Nishinohara ◽  
Naoki Kase ◽  
Hirokazu Maruoka ◽  
Shoji Hirai ◽  
Hiromi Eba
Keyword(s):  
Solid Solution ◽  
Diffraction Analysis ◽  
Converter Slag ◽  
X Ray Diffraction ◽  
X Ray

The silver(I) complex [HB{3-(CF3),5-(CH3)Pz}3]AgNCCH3supported by a partially fluorinated scorpionate ligand

2016 ◽  
Vol 72 (11) ◽  
pp. 853-856 ◽  
Author(s):  
H. V. Rasika Dias ◽  
Naveen Kulkarni
Keyword(s):  
Coordination Chemistry ◽  
Single Crystal ◽  
Diffraction Analysis ◽  
Electronic Properties ◽  
Coordination Sphere ◽  
Metal Coordination ◽  
X Ray Diffraction ◽  
X Ray ◽  
Scorpionate Ligand

Tris(pyrazolyl)borates are used extensively in metal coordination chemistry and belong to a class of ligands generally referred to as scorpionates. The steric and electronic properties of these ligands can be modified quite easily by varying the substituents on the 3-, 4-, and 5-positions of the pyrazolyl moieties on the B atom. Fluorinated tris(pyrazolyl)borates are useful in the stabilization of rare silver(I) complexes. The silver(I) adduct (acetonitrile-κN){tris[5-methyl-3-(trifluoromethyl)pyrazol-1-yl-κN2]hydroborato}silver(I), [Ag(C15H13BF9N6)(CH3CN)] or [HB{3-(CF3),5-(CH3)Pz}3]AgNCCH3, was obtained by treating [HB{3-(CF3),5-(CH3)Pz}3]Na with CF3SO3Ag in the presence of acetonitrile, and was isolated in 85% yield. Single-crystal X-ray diffraction analysis reveals that the AgIcenter has a pseudo-tetrahedral all-nitrogen coordination sphere, and is supported by a tris(pyrazolyl)borate ligand that binds to the AgIcenter in a κ3-fashion.

Electrical conductivity and X-ray diffraction analysis of oxyapatite-type lanthanum silicate and neodymium silicate solid solution

2012 ◽  
Vol 225 ◽  
pp. 443-447 ◽  
Author(s):  
Kiyoshi Kobayashi ◽  
Yoshitaka Matsushita ◽  
Masahiko Tanaka ◽  
Yoshio Katsuya ◽  
Chikashi Nishimura ◽  
...  
Keyword(s):  
Solid Solution ◽  
Electrical Conductivity ◽  
Diffraction Analysis ◽  
X Ray Diffraction ◽  
X Ray ◽  
Lanthanum Silicate

Ten-Vertex Polyhedral Monocarbaborane Chemistry. The Novel High-Yield Formation of the Ten-Vertex closo Compound [6-(PMe2Ph)-closo-1-CB9H9] from the Thermolysis of [8,8-(PMe2Ph)2-nido-8,7-PtCB9H11]

1993 ◽  
Vol 58 (12) ◽  
pp. 2924-2935 ◽  
Author(s):  
Jane H. Jones ◽  
Bohumil Štíbr ◽  
John D. Kennedy ◽  
Mark Thornton-Pett
Keyword(s):  
Nmr Spectroscopy ◽  
Diffraction Analysis ◽  
High Yield ◽  
Monoclinic Space Group ◽  
The Novel ◽  
X Ray Diffraction ◽  
Metal Centre ◽  
X Ray ◽  
Yield Formation ◽  
Boiling Toluene

Thermolysis of [8,8-(PMe2Ph)2-nido-8,7-PtCB9H11] in boiling toluene solution results in an elimination of the platinum centre and cluster closure to give the ten-vertex closo species [6-(PMe2Ph)-closo-1-CB9H9] in 85% yield as a colourles air stable solid. The product is characterized by NMR spectroscopy and single-crystal X-ray diffraction analysis. Crystals (from hexane-dichloromethane) are monoclinic, space group P21/c, with a = 903.20(9), b = 1 481.86(11), c = 2 320.0(2) pm, β = 97.860(7)° and Z = 8, and the structure has been refined to R(Rw) = 0.045(0.051) for 3 281 observed reflections with Fo > 2.0σ(Fo). The clean high-yield elimination of a metal centre from a polyhedral metallaborane or metallaheteroborane species is very rare.

Bis(μ-carboxylato)dienerhodium(I) Complexes - Synthesis, Characterization and Catalytic Activity

2008 ◽  
Vol 73 (8-9) ◽  
pp. 1205-1221 ◽  
Author(s):  
Jiří Zedník ◽  
Jan Sedláček ◽  
Jan Svoboda ◽  
Jiří Vohlídal ◽  
Dmitrij Bondarev ◽  
...  
Keyword(s):  
Catalytic Activity ◽  
Diffraction Analysis ◽  
Spectroscopic Methods ◽  
X Ray Diffraction ◽  
X Ray

Dinuclear rhodium(I) η2:η2-cycloocta-1,5-diene (series a) and η2:η2-norborna-2,5-diene (series b) complexes with μ-RCOO- ligands, where R is linear C21H43 (complexes 1a, 1b), CH2CMe3 (2a, 2b), 1-adamantyl (3a, 3b) and benzyl (4a, 4b), have been prepared and characterized by spectroscopic methods. Structures of complexes 2b, 3a and 4a were determined by X-ray diffraction analysis. Complexes prepared show low to moderate catalytic activity in polymerization of phenylacetylene in THF giving high-cis-transoid polymers, but they show only oligomerization activity in dichloromethane.

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