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Title: Magnetic field dependence of the martensitic transition and magnetocaloric effects in Ni49BiMn35In15

Journal Article · · AIP Advances
DOI:https://doi.org/10.1063/1.5130405· OSTI ID:1800358
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  1. Southern Illinois Univ., Carbondale, IL (United States). Physics Dept.
  2. Lomonosov Moscow State Univ., Moscow (Russia)
  3. Lappeenranta University of Technology (Finland). Dept. of Physics
  4. Louisiana State Univ., Baton Rouge, LA (United States). Dept.of Physics and Astronomy

The structural, magnetic, and magnetocaloric properties of the Bi-doped Heusler alloy Ni49BiMn35In15 have been investigated using room temperature X-ray diffraction (XRD) and magnetization measurements in a temperature interval of 5-400 K. The alloy at room temperature was found to be in a mixture of a high temperature austenite phase (AP) and a low temperature martensite phase (MP). A drastic shift in the martensitic transition temperature at the rate of 16 K/T from 197 K to lower temperatures was observed. A kinetic arrest phenomenon of the AP was observed in the magnetization and electrical resistivity measurements during field-cooled (FC) measurements at 5T. A metamagnetic behavior characterized by a jump in magnetization in the isothermal M(H) curves near TM was observed. The maximum value of the magnetic entropy change and refrigerant capacity at Curie temperature were found to be 5.5 Jkg-1K-1 and 312 Jkg-1 for μoΔH = 5T, respectively. A large magnetoresistance value of -56% was found near the martensitic transition.

Research Organization:
Southern Illinois Univ., Carbondale, IL (United States); Louisiana State Univ., Baton Rouge, LA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-06ER46291; SC0010521; FG02-13ER46946
OSTI ID:
1800358
Alternate ID(s):
OSTI ID: 1592195; OSTI ID: 1872892
Journal Information:
AIP Advances, Vol. 10, Issue 1; ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 2 works
Citation information provided by
Web of Science

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