Zobrazeno 1 - 10 of 25 pro vyhledávání: '"M.A. Haghani"'
1
Bond character in liquid alloys from magnetic susceptibility
Autor: M.A. Haghani, D. Quitmann, M. Dürrwächter, K. Ott
Publikováno v: Journal of Non-Crystalline Solids. 142:278-286
A model of assumed reactions μ A + ν B η A μ B ν has proven very useful in liquid alloys with strong A–B bonding, where it describes thermodynamics (Δ H , etc.), Knight shifts and quadrupolar relaxation. It is here applied to discuss the cont
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f9d45673126019e45abbc4aa3cc9e58d
https://doi.org/10.1016/s0022-3093(05)80034-1
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2
The Knight shift of Ge and As in liquid Ge, and in liquid Ge and Ga alloys
Autor: M. Dürrwächter, B. Sauer, M. von Hartrott, M.A. Haghani, D. Quitmann, K. Ott
Publikováno v: Journal of Physics: Condensed Matter. 2:10191-10198
The Knight shifts of As and Ge in liquid Ge have been determined by TDPAD (time-differential perturbed angular distribution) measurements over a temperature range of 1210-1370 K, using the isomeric nuclei 73mAs and 69mGe as probe atoms. The Knight sh
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d0e3dee4b94323344855f1465898d438
https://doi.org/10.1088/0953-8984/2/50/023
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4
On the minimum size of metallic clusters in a liquid semiconductor system
Autor: K. Ott, M.A. Haghani, D. Quitmann, M. von Hartrott, M. Dürrwächter
Publikováno v: Journal of Physics: Condensed Matter. 2:9235-9235
Use is made of the fact that the NMR Knight shift K can be used as a local, i.e. atomic scale, indicator of whether the electronic state of the atom is metallic or non-metallic. The authors have measured K for the probe atom Bi in the liquid semicond
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::456050c11f726755569798db39a38109
https://doi.org/10.1088/0953-8984/2/46/524
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6
Knight Shifts in Liquid Semiconductors
Autor: M.A. Haghani, K. Ott, B. Sauer, D. Quitmann, M. Dürrwächter
Publikováno v: Europhysics Letters (EPL). 10:759-764
In liquid alloys A-B on the verge of semiconducting state, the Knight shift K(x) on one or the other component deviates strongly from the trend shown by the magnetic susceptibility χ(x), over wide ranges of x. We use Sn-Te (and Cu-Te from the litera
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a561a0235db30e0a3eb035c47b21a895
https://doi.org/10.1209/0295-5075/10/8/010
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9
Impurities in liquid semiconductors, studied by TDPAD technique
Autor: C. A. Paulick, D. Quitmann, B. Sauer, M. von Hartrott, M.A. Haghani, A. Draijer, K. Ott
Publikováno v: Journal of Non-Crystalline Solids. :1287-1290
Measurement of Knight shift K and nuclear spin relaxation rate by perturbed angular correlation techniques is possible at very low concentration of probe atoms and at high temperatures. Change of K of Ge upon melting, 0.49%, is measured for the first
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b1386eeb27a414b677c9d23af32348e3
https://doi.org/10.1016/0022-3093(87)90308-5
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10
Anomalous behaviour of the knightshift on impurity atoms in glass-forming alloys
Autor: I. Petscherizin, D. Quitmann, B. Sauer, C. A. Paulick, K. Ott, R. Brinkmann, M.A. Haghani
Publikováno v: Hyperfine Interactions. 35:833-836
TDPAD (time dependent Perturbation of Angular distribution) technique has been used to measure the Knightshift of69mGe in liquid Ge and the solute Knightshift for73mAs in solid and liquid Germanium and the Ge alloys Ge−As, Ge−Se and Ge−Te. In t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4d59d35217dd98ba7abe0ce657ae7836
https://doi.org/10.1007/bf02394503
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