A comparative study of HoSn1.1Ge0.9 and DySn1.1Ge0.9 compounds using magnetic, magneto-thermal and magneto-transport measurements

Sachin Gupta, V. R. Reddy, G. S. Okram, K. G. Suresh

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)

    Abstract

    Polycrystalline HoSn1.1Ge0.9 and DySn1.1Ge0.9 compounds have been studied by means of different experimental probes. Both the compounds are antiferromagnetic and show metamagnetic transition at low temperatures. HoSn1.1Ge0.9 shows a sign change in magnetocaloric effect (MCE) and magnetoresistance (MR) with field, which is attributed to the metamagnetic transition. DySn1.1Ge0.9 shows characteristics of a typical antiferromagnet, as evidenced by magnetization, MCE and MR data. 119Sn Mössbauer studies show hyperfine splitting at low temperatures, consistent with magnetization data. Thermoelectric power and resistivity measurements reveal metallic behavior in these compounds. Magnetic, magnetocaloric and the magnetoresistance data clearly show that the antiferromagnetic coupling in DySn1.1Ge0.9 is stronger than in HoSn1.1Ge0.9.

    Original languageEnglish
    Pages (from-to)107-112
    Number of pages6
    JournalJournal of Alloys and Compounds
    Volume625
    DOIs
    Publication statusPublished - 2015 Mar 15

    Keywords

    • Magnetocaloric effect
    • Magnetoresistance
    • Mössbauer spectroscopy

    ASJC Scopus subject areas

    • Mechanics of Materials
    • Mechanical Engineering
    • Metals and Alloys
    • Materials Chemistry

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