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Inelastic neutron scattering and heat capacity studies of ferromagnetic PrInNi(4)
- Authors
- Walker, HC[Walker, H. C.]; McEwen, KA[McEwen, K. A.]; Adroja, DT[Adroja, D. T.]; Park, JG[Park, J. -G.]; Kwon, YS[Kwon, Y. S.]; So, JY[So, J. -Y.]; Kockelmann, W[Kockelmann, W.]; Meissner, M[Meissner, M.]
- Issue Date
- 15-Nov-2006
- Publisher
- ELSEVIER SCIENCE BV
- Citation
- PHYSICA B-CONDENSED MATTER, v.385, pp.41 - 43
- Indexed
- SCIE
SCOPUS
- Journal Title
- PHYSICA B-CONDENSED MATTER
- Volume
- 385
- Start Page
- 41
- End Page
- 43
- ISSN
- 0921-4526
- Abstract
- PrInNi(4) is a particularly interesting magnetic system which may be compared with PrNi(5), a Van-Vleck paramagnet displaying nuclear magnetic ordering below 0.4 mK. Our heat capacity measurements on PrInNi(4) reveal that it undergoes a ferromagnetic transition at T(C) = 0.75 K and show that T(C) rises dramatically with field, such that TC = 9 K at 6 T. We have determined the magnetic excitations in PrInNi(4) using the HET spectrometer at ISIS. The lowest energy mode softens as q -> 0, consistent with the low temperature ferromagnetic order. (c) 2006 Elsevier B.V. All rights reserved.
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