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Issue 97, 2016
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Zero thermal expansion with high Curie temperature in Ho2Fe16Cr alloy

Shovan Dan,a  S. Mukherjee,*a  Chandan Mazumdarb  and  R. Ranganathanb 
Author affiliations

* Corresponding authors

a Department of Physics, The University of Burdwan, Burdwan-713104, India
E-mail: sanseb68@yahoo.co.in

b Condensed Matter Physics Division, Saha Institute of Nuclear Physics, 1/AF, Bidhannagar, Kolkata-700064, India

Abstract

We report the observation of zero thermal expansion with a high Curie temperature in a Ho2Fe16Cr alloy. Among the R2Fe17−xCrx (R = rare earth elements) series of alloys, Ho2Fe16Cr shows not only enhancement of the Curie temperature (TC) to 415 K in comparison with the parent compound Ho2Fe17 (330 K), but also shows zero thermal expansion (ZTE) in the wide temperature range 13–330 K due to reduction of the magneto-volume effect. We believe that such a single component ZTE magnetic material with a TC higher than room temperature is of practical importance.

Graphical abstract: Zero thermal expansion with high Curie temperature in Ho2Fe16Cr alloy

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Publication details

The article was received on 10 Aug 2016, accepted on 23 Sep 2016 and first published on 23 Sep 2016


Article type: Paper
DOI: 10.1039/C6RA20216K
Citation: RSC Adv., 2016,6, 94809-94814
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    Zero thermal expansion with high Curie temperature in Ho2Fe16Cr alloy

    S. Dan, S. Mukherjee, C. Mazumdar and R. Ranganathan, RSC Adv., 2016, 6, 94809
    DOI: 10.1039/C6RA20216K

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