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- Title
Effect of pressure on magnetic structure in heavy-fermion CeRhIn[sub 5].
- Authors
Bao, W.; Trevino, S.F.; Lynn, J.W.; Pagliuso, P.G.; Sarrao, J.L.; Thompson, J.D.; Fisk, Z.
- Abstract
The effect of hydrostatic pressure on the incommensurate antiferromagnetic structure of CeRhIn[sub 5] is investigated with neutron diffraction using a He pressure cell. At 3.8 kbar, the staggered magnetic moment is 0.37(4) µ[sub B] per Ce ion at 1.6 K, which is the same as the ambient-pressure value. The Néel temperature T[sub N] = 3.8(1) K is also the same as the ambient-pressure one, although the curve of the order parameter has changed with pressure. The incommensurability δ of the magnetic wave vector q[sub M] = (½, ½, δ) has reduced from δ = 0.297 at ambient pressure to δ = 0.294(1) at 3.8 kbar.
- Subjects
HYDROSTATIC pressure; CERIUM alloys; RHODIUM alloys; NEUTRON diffraction
- Publication
Applied Physics A: Materials Science & Processing, 2002, Vol 74, Issue 6, ps557
- ISSN
0947-8396
- Publication type
Article
- DOI
10.1007/s003390101121