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Heat capacity and thermodynamic properties of manganese monophosphide at temperatures from 5 K to 840 K: transitions

✍ Scribed by Svein Stølen; Fredrik Grønvold; Haakon O. Haakonsen; Jadwiga T. Sipowska; Edgar F. Westrum; Jr.

Publisher
Elsevier Science
Year
1998
Tongue
English
Weight
147 KB
Volume
30
Category
Article
ISSN
0021-9614

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✦ Synopsis

The heat capacity of manganese monophosphide MnP has been determined by adiabatic shield calorimetry at temperatures from 5 K to 840 K. The heli-to ferromagnetic transition is noted only as a slightly enhanced heat capacity at T f 53 K. A -type heat capacity contribution with maximum at T s 289.5 K is related to the transition from ferro-to paramagnetism in the compound. The clearly cooperative part of the transitional entropy is . y1 . y1 only 1.27 J K mol over the region T s 220 K to T s 400 K. Less cooperative magneticrelectronic contributions are present. The overall estimated transitional entropy . y1 y1

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