Imaging of the Fermi surface of 1T-Ta0.9Hf0.1S2 by X-ray diffuse scattering

Yamada, Y. ; Tsang, J. C. ; Subba-Rao, G. V. (1975) Imaging of the Fermi surface of 1T-Ta0.9Hf0.1S2 by X-ray diffuse scattering Physical Review Letters, 34 (22). pp. 1389-1392. ISSN 0031-9007

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Official URL: http://prl.aps.org/abstract/PRL/v34/i22/p1389_1

Related URL: http://dx.doi.org/10.1103/PhysRevLett.34.1389

Abstract

Using X-ray diffuse scattering, we have observed enhanced Kohn anomalies in the two-dimensional conductor Ta0.9Hf0.1S2. From this, we have deduced the shape of the Fermi surface of this compound throughout a wide region of reciprocal space. The results in the (h0l) planes demonstrate the two-dimensionality of the electronic states in this substance. The results in the layers h, k, ±1/3 prove that the topographic shape originally postulated by Williams, Parry, and Scruby is correct.

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Deposited On:04 Aug 2011 08:25
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