1978
DOI: 10.1103/physrevlett.40.796
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Nuclear-Acoustic-Resonance Determination of the Electronic Contribution to the Electric-Field-Gradient Tensor in Molybdenum

Abstract: where and 0=1, 2 J =(m ai 3)n 2 m 2 l+ ; m s V2Notice that v^{oo = 0) =^0ln(^m ax A min ) reduces to the Spitzer value whereas at co =Sl p Eqs. (9) and (11), one can take fe^ min/

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Cited by 18 publications
(5 citation statements)
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“…Despite this problem, the EFG was analyzed for larger strains in order to determine the c/a-ratio that corresponds to a vanishing EFG within the linear elastic theory. Therefore, the exact structure dependence at constant volume, which changes non-linearly with the c/a-ratio, was used instead of equation (7). For Cd and Cd-doped Zn, the EFG vanished at a c/a-ratio of 1.64(3) and 1.69 (9), respectively, which is in good agreement to ideal close packing at 1.633.…”
Section: Discussionmentioning
confidence: 77%
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“…Despite this problem, the EFG was analyzed for larger strains in order to determine the c/a-ratio that corresponds to a vanishing EFG within the linear elastic theory. Therefore, the exact structure dependence at constant volume, which changes non-linearly with the c/a-ratio, was used instead of equation (7). For Cd and Cd-doped Zn, the EFG vanished at a c/a-ratio of 1.64(3) and 1.69 (9), respectively, which is in good agreement to ideal close packing at 1.633.…”
Section: Discussionmentioning
confidence: 77%
“…Over the last decades, gradient elastic constants have been directly measured in cubic systems by means of nuclear magnetic resonance spectroscopy (NMR) [3,4], nuclear acoustic resonance (NAR) [5][6][7][8][9][10][11] or, partly, in hexagonal systems by perturbed angular correlation spectroscopy (PAC) [2,12].…”
Section: Introductionmentioning
confidence: 99%
“…nuclear acoustic resonance, NAR) [76]. Bisher untersuchte Materialklassen umfassen Alkalihalogenide [48,76], Elementhalbleiter [77], III-V-Verbindungshalbleiter [78] und kubische Metalle [79][80][81][82][83][84][85][86][87].…”
Section: Stand Der Forschungunclassified
“…Anschließend werden die unabhängigen Konstanten im Rahmen der Dichtefunktionaltheorie berechnet. Es werden 6 kubische Metalle untersucht, deren Gradient-elastische Konstanten bereits vermessen wurden [79,[81][82][83][84][85][86][87], die vier MAX-Phasen Nb 2 AlC, Ti 2 AlC, Ti 2 AlN und Ti 2 InC sowie einige hexagonale Systeme, in denen von den Gradient-elastische Konstanten abgeleitete Größen zum Vergleich herangezogen werden können [88,89,99,100,124]. Anhand eines Vergleiches zwischen Rechnung und Experiment wird anschließend die zu erwartende Genauigkeit der mit dieser Methode ermittelten Konstanten abgeschätzt.…”
Section: Ziele Der Arbeitunclassified
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