High-Resolution Thermal Expansion of MgB2

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dc.creatorLortz, R.
dc.creatorMeingast, C.
dc.creatorErnst, D.
dc.creatorRenker, B.
dc.creatorLawrie, D. D.
dc.creatorFranck, J. P.
dc.date2003-07-08
dc.date.accessioned2026-07-25T15:14:39Z
dc.descriptionThe thermal expansion of polycrystalline MgB2 from 5-300 K is studied using high-resolution capacitance dilatometry. The thermal expansivity exhibits a small jump of -5.8x10-8 K-1 at Tc (in accord with expectations from the Ehrenfest relationship and published specific heat and pressure data) and a negative peak-like feature close to 5 K. No indications of any structural instabilities are observed.
dc.description4 pages, 2 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0307157
dc.identifierhttp://arxiv.org/abs/cond-mat/0307157
dc.identifierJ of Low Temp.Phys.Vol.131,Nos.5/6, page 1101, 2003
dc.identifier.urihttps://dspace.dare.co.zw/handle/123456789/32257
dc.subjectSuperconductivity
dc.titleHigh-Resolution Thermal Expansion of MgB2
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