Phase transitions and magnetic properties of LuF e2 O4 under pressure

V. Markovich, I. Fita, A. Wisniewski, R. Puzniak, C. Martin, G. Jung, G. Gorodetsky

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


The effect of hydrostatic pressure on complex magnetic phase diagram of LuFe2O4 has been investigated by various magnetic measurements in the range of 0-12 kbar. The temperature of the ferrimagnetic (fM) transition (TN≈245K) practically does not change with increasing pressure, while the temperature of the appearance of mixed fM and antiferromagnetic (AFM) state at ∼200K increases with the rate dTC/dP≈0.8K/kbar. Moreover, an applied pressure suppresses the magnetization, enhances the field of metamagnetic transition, and extends the range of existence of mixed fM and AFM state. Suppression of the ordered magnetic moment under pressure induces a transition from a counterclockwise (CCW) thermal hysteresis below T≈220K to a clockwise (CW) thermal hysteresis in a magnetic field H=1kOe. Nevertheless, field induced metamagnetic transition from mixed fM and AFM state to fM state results in a narrowing of the temperature range of thermal hysteresis and in restoring of CCW type of thermal hysteresis. As a consequence of metamagnetic transition, the thermal hysteresis completed at H=10kOe remains one of the CCW type under applied pressure.

Original languageEnglish
Article number054416
JournalPhysical Review B
Issue number5
StatePublished - 11 Aug 2017

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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