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Magnetic properties of a monocrystalline quasicrystal in the Al-Pd-Mn system

  • Condensed Matter
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Abstract

Magnetic susceptibility of a monocrystalline icosahedral Al70.2Pd21.3Mn8.5 quasicrystal was measured over the temperature range from 4 to 1100 K. The susceptibility was found to include the temperature-independent diamagnetic contribution, the temperature-dependent Curie’s contribution, and the contribution from the Pauli paramagnetism of an electron system with energy gap. An analysis of the low-temperature susceptibility revealed the presence of about 0.008% of ions with magnetic moment 4µB in the quasicrystal at 4 K. It is assumed that the ions with uncompensated magnetic moments appear near the structural vacancies in the quasicrystal lattice. The energy gap between the valence and conduction bands is estimated at Δ=0.64 eV, and the effective mass of charge carriers is equal to approximately 70 electron masses.

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Translated from Pis’ma v Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \) Fiziki, Vol. 72, No. 3, 2000, pp. 210–215.

Original Russian Text Copyright © 2000 by Rempel’, Nazarova, Gusev.

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Rempel’, A.A., Nazarova, S.Z. & Gusev, A.I. Magnetic properties of a monocrystalline quasicrystal in the Al-Pd-Mn system. Jetp Lett. 72, 144–147 (2000). https://doi.org/10.1134/1.1316819

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  • DOI: https://doi.org/10.1134/1.1316819

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