Heat capacity jumps induced by magnetic field in the Er2HoAl5O12 garnet

E. V. Shevchenko, E. V. Charnaya, M. K. Lee, L. J. Chang, E. N. Khazanov, A. V. Taranov, A. S. Bugaev

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Measurements of the heat capacity were carried out for the mixed Er2HoAl5O12 garnet at magnetic fields up to 15 T. The heat capacity variations at low temperatures were dominated by the Schottky anomalies. In addition, anomalous sharp steps in the heat capacity were observed in magnetic fields stronger than 8 T upon cooling as well as upon warming. The temperatures of the steps increased with increasing magnetic field. Jumps found upon cooling and warming were shifted relative to each other showing the thermal hysteresis. The sharp decrease in the heat capacity at low temperatures suggested the blocking of magnetic flips induced by strong enough magnetic fields.

Original languageEnglish
Pages (from-to)330-333
Number of pages4
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume381
Issue number4
DOIs
Publication statusPublished - 2017 Jan 30

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garnets
specific heat
magnetic fields
cooling
heating
hysteresis
anomalies
temperature

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

Cite this

Shevchenko, E. V. ; Charnaya, E. V. ; Lee, M. K. ; Chang, L. J. ; Khazanov, E. N. ; Taranov, A. V. ; Bugaev, A. S. / Heat capacity jumps induced by magnetic field in the Er2HoAl5O12 garnet. In: Physics Letters, Section A: General, Atomic and Solid State Physics. 2017 ; Vol. 381, No. 4. pp. 330-333.
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Heat capacity jumps induced by magnetic field in the Er2HoAl5O12 garnet. / Shevchenko, E. V.; Charnaya, E. V.; Lee, M. K.; Chang, L. J.; Khazanov, E. N.; Taranov, A. V.; Bugaev, A. S.

In: Physics Letters, Section A: General, Atomic and Solid State Physics, Vol. 381, No. 4, 30.01.2017, p. 330-333.

Research output: Contribution to journalArticle

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AB - Measurements of the heat capacity were carried out for the mixed Er2HoAl5O12 garnet at magnetic fields up to 15 T. The heat capacity variations at low temperatures were dominated by the Schottky anomalies. In addition, anomalous sharp steps in the heat capacity were observed in magnetic fields stronger than 8 T upon cooling as well as upon warming. The temperatures of the steps increased with increasing magnetic field. Jumps found upon cooling and warming were shifted relative to each other showing the thermal hysteresis. The sharp decrease in the heat capacity at low temperatures suggested the blocking of magnetic flips induced by strong enough magnetic fields.

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