Journal
JOURNAL OF APPLIED PHYSICS
Volume 117, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4916339
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Funding
- U.S. Department of Energy (DOE), Office of Science, Basic Energy Sciences (BES) [DE-FG02-13ER46946]
- DOE, Office of Science, BES [DE-FG02-07ER46420, DE-FG02-06ER46291]
- NSF through DMR [1306392]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1306392] Funding Source: National Science Foundation
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1360863] Funding Source: National Science Foundation
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The isostructural alloying of two compounds with different magnetic and thermo-structural properties has resulted in a new system, (MnNiSi)(1-x)(FeCoGe)(x), that exhibits large magnetocaloric effects with acute sensitivity to both compositional variation and applied hydrostatic pressure. The maximum isothermal entropy change reaches a value of -Delta S-max - 143.7 J/kg K for a field change of Delta B - 5 T at atmospheric pressure. The first-order magnetostructural transition responsible for the entropy change shifts to lower temperature with applied hydrostatic pressure (similar to-10 K/kbar) but maintains a large value of -Delta S-max. (C) 2015 AIP Publishing LLC.
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