Nature of the diamagnetic maximum in the temperature dependences of the magnetic susceptibility of crystals of (Bi2 − x Sb x )Te3 alloys (0 &lt; x &lt; 1)

Степанов, Н. П.; Nalivkin, V. Yu.; Gilfanov, A. K.

doi:10.1134/s1063782612080234

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“…Since m * ⊥ and m * are significantly smaller than 0.577m 0 , it can be shown by direct calculations that χ eh ⊥ and χ eh assume negative values. The results of analysis of an experimental data set performed in [11] also reinforce the conclusion that the response of free carriers in Bi 2 Te 3 −Sb 2 Te 3 crystals is diamagnetic in nature.…”

Section: Discussion Of Experimental Resultssupporting

confidence: 67%

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Features in the behavior of temperature dependences of magnetic susceptibility of crystals of Bi-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=--Sb-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=- solid solutions containing from 25 to 70 percent antimony telluride

Степанов

Ivanov²

2022

Semiconductors

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Temperature dependences of the magnetic susceptibility of p-type crystals of Bi2Te3-Sb2Te3 solid solutions containing from 25 to 70 mol percent antimony telluride were examined in the range from 2 to 400 K. A correlation was found between the features observed in the behavior of temperature dependences of the magnetic susceptibility of crystals containing 60 and 70 mol percent Sb2Te3 and the ratio of the plasmon energy to the energy of the gap between the chemical potential level and the heavy hole subband. An assumption is formulated that in the case of convergence of these energies, the increasing electron--plasmon interaction affects the electron system state and, consequently, the magnitude of magnetic susceptibility. Keywords: bismuth and antimony tellurides, magnetic susceptibility, plasmon, interband transitions, electron--plasmon interaction.

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Section: Discussion Of Experimental Resultssupporting

confidence: 67%

“…The value of χ was determined at H C 3 , while χ ⊥ corresponds to the H ⊥ C 3 orientation. A complete description of samples and the experimental procedure and equipment is provided in [11].…”

Section: Introductionmentioning

confidence: 99%

Features in the behavior of temperature dependences of magnetic susceptibility of crystals of Bi-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=--Sb-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=- solid solutions containing from 25 to 70 percent antimony telluride

Степанов

Ivanov²

2022

Semiconductors

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show abstract

Nature of the diamagnetic maximum in the temperature dependences of the magnetic susceptibility of crystals of (Bi2 − x Sb x )Te3 alloys (0 < x < 1)

Cited by 1 publication

References 10 publications

Features in the behavior of temperature dependences of magnetic susceptibility of crystals of Bi-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=--Sb-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=- solid solutions containing from 25 to 70 percent antimony telluride

Features in the behavior of temperature dependences of magnetic susceptibility of crystals of Bi-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=--Sb-=SUB=-2-=/SUB=-Te-=SUB=-3-=/SUB=- solid solutions containing from 25 to 70 percent antimony telluride

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