Magnetothermal properties of Gd1-x Y (x) Ni-2 compounds / Proshkin A. V.,Baranov N. V.,Korolev A. V. // PHYSICS OF THE SOLID STATE. - 2010. - V. 52, l. 2. - P. 281-288.

ISSN/EISSN:

1063-7834 / 1090-6460

Type:

Article

Abstract:

The heat capacity of pseudobinary intermetallic compounds Gd1-x Y (x) Ni-2 (0a parts per thousand currency signxa parts per thousand currency sign1) has been studied. The magnetic contribution to the total heat capacity is isolated with the use of the data obtained for the paramagnetic analogs Lu1-y Y (y) Ni-2 possessing the same molar masses as the gadolinium compounds. It has been found that the difference between the entropies of the Gd1-x Y (x) Ni-2 (x < 0.8) compounds and the corresponding paramagnetic Lu1-y Y (y) Ni-2 analogs reaches larger values than those expected from the calculations performed under the assumption that only Gd ions contribute to the magnetic part of the total entropy. The existence of an additional contribution of magnetic nature to the entropy of the Gd1-x Y (x) Ni-2 compounds, as well as the large values of the gamma coefficient in the linear-in-temperature term of the heat capacity, is assigned to the spin fluctuations induced by the f-d exchange in the subsystem of Ni 3d electrons.

Author keywords:

MAGNETIC CIRCULAR-DICHROISM; LAVES PHASE; MOMENT; HEAT; TEMPERATURE; DIFFRACTION; TRANSITIONS; YNI2; GD

DOI:

10.1134/S1063783410020101

Web of Science ID:

ISI:000275417000010

Соавторы в МНС:

Другие поля

Поле	Значение
Month	FEB
Publisher	MAIK NAUKA/INTERPERIODICA/SPRINGER
Address	233 SPRING ST, NEW YORK, NY 10013-1578 USA
Language	English
EISSN	1090-6460
Keywords-Plus	MAGNETIC CIRCULAR-DICHROISM; LAVES PHASE; MOMENT; HEAT; TEMPERATURE; DIFFRACTION; TRANSITIONS; YNI2; GD
Research-Areas	Physics
Web-of-Science-Categories	Physics, Condensed Matter
Author-Email	ProshkinAV@mail.ru
ResearcherID-Numbers	Baranov, Nikolai/J-5042-2013 Proshkin, Alexey/J-7180-2013 Alexander, Korolev/K-3036-2013
ORCID-Numbers	Baranov, Nikolai/0000-0002-9720-5314 Proshkin, Alexey/0000-0002-2631-6834 Alexander, Korolev/0000-0002-5104-3997
Number-of-Cited-References	26
Usage-Count-Last-180-days	1
Usage-Count-Since-2013	8
Journal-ISO	Phys. Solid State
Doc-Delivery-Number	567BJ