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Title: Microwave absorption through the martensitic and Curie transitions in Ni45Cr5Mn37In13

Journal Article · · AIP Advances
DOI:https://doi.org/10.1063/1.5006440· OSTI ID:1499666

We have investigated the electron spin resonance (ESR) of the Ni45Cr5Mn37In13 Heusler alloy near the structural and magnetic phase transition temperatures. Ni45Cr5Mn37In13 is characterized by a first order magnetostructural (martensitic) transition (MST) with magneto-responsive properties such as magnetoresistance, Hall and magnetocaloric effects, etc., in the vicinity of the MST. Since the details and origins of these behaviors are not well understood, we used a technique beyond magnetometry, i.e., “microwave absorption”, to reveal new information. ESR studies of Ni45Cr5Mn37In13 shows that this compound is characterized by wide absorption spectra at temperatures greater than 250 K that depend on the angle of the magnetic field relative to the normal to the sample plate (α) and temperature (T). Two local maxima at about 5 and 6 kOe were detected for α close to zero degrees near the martensitic transition and Curie temperatures. In conclusion, the absorption spectra are discussed along with the results of the structural and magnetic studies.

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). Materials Sciences & Engineering Division; USDOE
Grant/Contract Number:
FG02-06ER46291; SC0010521; FG02-13ER46946
OSTI ID:
1499666
Alternate ID(s):
OSTI ID: 1413074; OSTI ID: 1874688
Journal Information:
AIP Advances, Vol. 8, Issue 5; ISSN 2158-3226
Publisher:
American Institute of Physics (AIP)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (1)


Figures / Tables (5)