Temperature dynamics of the electronic structure in dilute Bi-Sn alloys
We study the changes of Bi electronic structure near T and L points of the Brillouin zone caused by doping with Sn (concentrations ≤0.08 at.%). Hall coefficient and magnetoresistance measurements (under magnetic field up to 8 T) enabled calculation of magnetoconductivity tensor components. The usage...
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| Veröffentlicht in: | Physical review. B 2018-02, Vol.97 (7), Article 075204 |
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| container_title | Physical review. B |
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| creator | Fedotov, A. S. Shepelevich, V. G. Svito, I. A. Sivakov, V. A. |
| description | We study the changes of Bi electronic structure near T and L points of the Brillouin zone caused by doping with Sn (concentrations ≤0.08 at.%). Hall coefficient and magnetoresistance measurements (under magnetic field up to 8 T) enabled calculation of magnetoconductivity tensor components. The usage of quantitative mobility spectrum analysis together with the isotropic approximation for band structure allowed the estimation of Fermi level position at temperatures 10–300 K. The results have shown that Sn doping shifts the Fermi level down on the energy scale at the L point (in all temperature range) and at the T point under (primarily at low temperatures), leading to the decrease of band overlap. |
| doi_str_mv | 10.1103/PhysRevB.97.075204 |
| format | Article |
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S. ; Shepelevich, V. G. ; Svito, I. A. ; Sivakov, V. A.</creator><creatorcontrib>Fedotov, A. S. ; Shepelevich, V. G. ; Svito, I. A. ; Sivakov, V. A.</creatorcontrib><description>We study the changes of Bi electronic structure near T and L points of the Brillouin zone caused by doping with Sn (concentrations ≤0.08 at.%). Hall coefficient and magnetoresistance measurements (under magnetic field up to 8 T) enabled calculation of magnetoconductivity tensor components. The usage of quantitative mobility spectrum analysis together with the isotropic approximation for band structure allowed the estimation of Fermi level position at temperatures 10–300 K. 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The results have shown that Sn doping shifts the Fermi level down on the energy scale at the L point (in all temperature range) and at the T point under (primarily at low temperatures), leading to the decrease of band overlap.</description><subject>Bismuth base alloys</subject><subject>Brillouin zones</subject><subject>Conductivity</subject><subject>Doping</subject><subject>Dynamic structural analysis</subject><subject>Electronic structure</subject><subject>Electrons</subject><subject>Fermi level</subject><subject>Hall effect</subject><subject>Magnetic fields</subject><subject>Magnetoresistance</subject><subject>Magnetoresistivity</subject><subject>Mathematical analysis</subject><subject>Spectrum analysis</subject><issn>2469-9950</issn><issn>2469-9969</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kE1Lw0AQhhdRsNT-AU8LnlNnP9M52qJVKChaz8tms6EpaVJ3N0L-vdGqp5mBh3lfHkKuGcwZA3H7shviq_9czjGfQ644yDMy4VJjhqjx_H9XcElmMe4BgGnAHHBC1lt_OPpgUx88LYfWHmoXaVfRtPPUN96l0LW1ozGF3v1AdUvLuumTp8s6e2upbZpuiFfkorJN9LPfOSXvD_fb1WO2eV4_re42mRMLlTIuLS9dpZzG8eal5hUb2xSywgKLEn2-ULbEQlhr-cIzLlSptJCSFQBSgpiSm9PfY-g-eh-T2Xd9aMdIw0eaaSVRjxQ_US50MQZfmWOoDzYMhoH5dmb-nBnMzcmZ-AJsmGBs</recordid><startdate>20180220</startdate><enddate>20180220</enddate><creator>Fedotov, A. 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B</jtitle><date>2018-02-20</date><risdate>2018</risdate><volume>97</volume><issue>7</issue><artnum>075204</artnum><issn>2469-9950</issn><eissn>2469-9969</eissn><abstract>We study the changes of Bi electronic structure near T and L points of the Brillouin zone caused by doping with Sn (concentrations ≤0.08 at.%). Hall coefficient and magnetoresistance measurements (under magnetic field up to 8 T) enabled calculation of magnetoconductivity tensor components. The usage of quantitative mobility spectrum analysis together with the isotropic approximation for band structure allowed the estimation of Fermi level position at temperatures 10–300 K. 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| language | eng |
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| source | American Physical Society Journals |
| subjects | Bismuth base alloys Brillouin zones Conductivity Doping Dynamic structural analysis Electronic structure Electrons Fermi level Hall effect Magnetic fields Magnetoresistance Magnetoresistivity Mathematical analysis Spectrum analysis |
| title | Temperature dynamics of the electronic structure in dilute Bi-Sn alloys |
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