Composition Dependence of the Energy Gap in HgFeSe - Optical Verification |
| W. Szuszkiewicz Institute of Experimental Physics, Warsaw University, Hoża 69, 00-681 Warszawa, Poland C. Julien, M. Bałkanski Laboratoire de Physique des Solides, Université Paris VI, France K. Dybko and B. Witkowska Institute of Physics, Polish Academy of Sciences, Warszawa, Poland |
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| Infrared reflectivity was investigated for the mixed Hg1-xFexSe crystals for x < 0.1. The theoretical analysis of the experimental curves suggests opening of the energy gap for the composition x = 0.087 at the temperature close to 80 K. |
| DOI: 10.12693/APhysPolA.82.757 PACS numbers: 71.25.Tn, 71.55.-i, 78.30.Fs |