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  4. Giant magnetoresistance effect in InSe<β-CD<FeSO4>> clathrate

Giant magnetoresistance effect in InSe<β-CD<FeSO4>> clathrate

MMC.
2020;
Volume 7, Number 2
: pp. 322–333
https://doi.org/10.23939/mmc2020.02.322
Received: May 24, 2020
Revised: July 28, 2020
Accepted: July 29, 2020

Mathematical Modeling and Computing, Vol. 7, No. 2, pp. 322–333 (2020)

Authors:
  1. M. I. Klapchuk
  2. F. O. Ivashchyshyn
1
Lviv Polytechnic National University
2
Lviv Polytechnic National University, Czestochowa University of Technology

The InSe$\langle\beta$-CD$\langle$FeSO$_4\rangle\rangle$ clathrate with hierarchical architecture reveals a giant magnetoresistive effect and extraordinary (oscillating) behavior of the current-voltage characteristics in the magnetic field in the direction perpendicular to nanolayers.  A new technological approach  for the synthesis of multilayered nanostructure is proposed.  It allows attaining a fourfold degree of expansion of the initial InSe semiconductor matrix in which the cavitate of $\beta$-cyclodextrin ($\beta$-CD) and iron sulfate served as a guest content.  This makes it possible to develop a theoretical model to describe the interlayer magnetoconductivity in such extremely anisotropic 2D layered compounds.  Graphic dependencies of oscillating magnetoconductivity are analysed  for different values of quantizing magnetic field in a layered structure whose interlayer transfer integral can be controlled artificially.

InSe
intercalation
clathrate
hierarchical structures
impedance spectroscopy
giant magnetoresistive effect
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