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Investigation of the magnetic and lattice properties of REPtIn and RE2AgIn

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thesis
posted on 15.11.2017, 16:23 by Kevin C. Watson
The three terminal capacitance dilatometer is the most sensitive means for measuring the thermal expansion of solid samples at low temperatures. A measuring system based around capacitance dilatometry has been automated to provide a means of routine data collection of length changes in samples in the temperature range 1.5 K to 300 K. The dilatometer has been used in conjunction with magnetisation and neutron scattering measurements to investigate members from rare earth alloys as part of a wider study of the magnetic and lattice properties of isostructural rare earth alloy series, in particular the rare earth alloy series RE2AgIn (RE = Tb, Ho and Er) and REPtIn (RE = Nd, Gd, Tb, Dy, Ho and Er). Two samples have been investigated using thermal expansion, Tb2AgIn and TbPtIn. Both order magnetically at temperatures around 50 K and phase transitions corresponding to the ordering were observed using the capacitance dilatometer for the samples. The data for the alloy series is presented and discussed with a view to describing the complex nature of these alloy systems.

History

School

  • Science

Department

  • Physics

Publisher

© Kevin C. Watson

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 2.5 Generic (CC BY-NC-ND 2.5) licence. Full details of this licence are available at: http://creativecommons.org/licenses/by-nc-nd/2.5/

Publication date

1998

Notes

A Doctoral Thesis. Submitted in partial fulfilment of the requirements for the award of Doctor of Philosophy at Loughborough University.

Language

en

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