| Article |
|---|
| Article name |
Anisotropy of Magnetic Susceptibility of Solid Solutions of (Bi2−xSbx)T e3 (0 < x < 1) in the Temperature Range from 2 to 50 K |
| Authors |
Stepanov N.P. Doctor of Physics and Mathematics, np-stepanov@mail.ruNalivkin V.Y. Graduate Student, ls-slava@mail.ru |
| Bibliographic description |
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| Section |
Scientific Research |
| UDK |
621.317.412 |
| DOI |
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| Article type |
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| Annotation |
The Josephson junction superconducting quantum interferometer (SQUID
magnetometer) was used to study the temperature dependence of magnetic susceptibility
χ of crystals of solid solutions (Bi2−Sbx)T e3(0 < x < 1) at temperatures ranging from 2
to 50 K, with the orientation of the magnetic field vector H for C3 with respect to the
trigonal crystal axis C3H||C3, and ⊥C3. The article shows that the magnetic susceptibility
of the ionic core of the studied samples G = −0, 3510−6cm3/g, the contribution of lattice
defects in the magnetic susceptibility can be neglected, and the contribution of free charge
carriers in the entire temperature range has a diamagnetic character. The article shows that
using the approach of Pauli and Landau-Peierls it is possible to describe the contribution of
free carriers to the resultant magnetic susceptibility and its anisotropy. In the calculation
of magnetic susceptibility, taking into account the constancy of the concentration of free
carriers in the state of strong degeneracy, we observed changes in temperature dependence of
the anisotropic effective masses on the chemical composition of the crystal. Perhaps this is due to the complex structure of the valence band and its variation with increasing number of
Sb2T e3 in the solid solution.
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| Key words |
crystal magnetic susceptibility, solid solution, concentration, effective mass,
anisotropy. |
| Article information |
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| References |
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| Full article | Anisotropy of Magnetic Susceptibility of Solid Solutions of (Bi2−xSbx)T e3 (0 < x < 1) in the Temperature Range from 2 to 50 K |
