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Magnetic and magnetocaloric properties of Ni-Mn-Cr-Sn Heusler alloys under the effects of hydrostatic pressure

Journal Article · · AIP Advances
DOI:https://doi.org/10.1063/1.5005802· OSTI ID:1499642
 [1];  [2];  [3];  [2];  [3];  [3];  [2];  [3]
  1. Southern Illinois Univ., Carbondale, IL (United States); Department of Physics, Southern Illinois University, Carbondale, IL 62901, USA
  2. Louisiana State Univ., Baton Rouge, LA (United States)
  3. Southern Illinois Univ., Carbondale, IL (United States)
+ Show Author Affiliations
The magnetic, thermal, and magnetocaloric properties of Ni45Mn43CrSn11 Heusler alloy have been investigated using differential scanning calorimetry and magnetization with hydrostatic pressure measurements. A shift in the martensitic transition temperature (TM) to higher temperatures was observed with the application of pressure. The application of pressure stabilizes the martensitic state and demonstrated that pressure can be a parameter used to control and tune the martensitic transition temperature (the temperature where the largest magnetocaloric effect is observed). The magnetic entropy change significantly decreases from 33 J/kg K to 16 J/kg K under the application of a hydrostatic pressure of 0.95 GPa. The critical field of the direct metamagnetic transition increases, whereas the initial susceptibility (dM/dH) in the low magnetic field region drastically decreases with increasing pressure. Thus, the relevant parameters that affect the magnetocaloric properties are discussed.
Research Organization:
Louisiana State Univ., Baton Rouge, LA (United States); Southern Illinois Univ., Carbondale, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22), Material Science Division; USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division
Grant/Contract Number:
FG02-06ER46291; SC0010521
OSTI ID:
1499642
Alternate ID(s):
OSTI ID: 1413826
OSTI ID: 1874687
Journal Information:
AIP Advances, Journal Name: AIP Advances Journal Issue: 5 Vol. 8; ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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Figures / Tables (4)

FIG. 1.(p. 3)figure FIG. 1.
FIG. 2.(p. 4)figure FIG. 2.
FIG. 3.(p. 5)figure FIG. 3.
FIG. 4.(p. 6)figure FIG. 4.

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Related Subjects

32 ENERGY CONSERVATION, CONSUMPTION, AND UTILIZATION
36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
hydrostatic pressure
magnetocaloric effect
phase transitions