Neutron scattering in studies of Fe-based functional alloys (Fe—Ga, Fe—Al)

A.M. Balagurov^†^a, I.S. Golovin^‡^b
^aJoint Institute for Nuclear Research, 6 Joliot-Curie Str., Dubna, Moscow Region, 141980, Russian Federation
^bNational University of Science and Technology "MISIS", Leninskii prosp. 4, Moscow, 119049, Russian Federation

Discovered in the early 2000s, giant magnetostriction prompted many experimental and theoretical studies. However, the physical mechanism underlying this important functional property has not been fully understood, despite 20'years of continuous effort. The models currently under discussion are based on the concept of specifically ordered microscopic regions that emerge in a disordered crystal matrix. Of special importance in detecting suchlike structural states are techniques that involve the scattering of X-ray (synchrotron), electron, and neutron radiation. The current state of structural studies of Fe—Ga and Fe—Al alloys is reviewed, with the focus on neutron diffraction.

Keywords: Fe—Ga and Fe—Al alloys, giant magnetostriction, atomic structure, phase transitions, neutron diffraction
PACS: 61.05.F−, 61.66.Dk, 64.60.Cn, 75.80.+q (all)
DOI: 10.3367/UFNe.2020.11.038886
URL: https://ufn.ru/en/articles/2021/7/c/
Web of Science

000702491600003
Scopus

2-s2.0-85116909572
ADS NASA

2021PhyU...64..702B
Citation: Balagurov A M, Golovin I S "Neutron scattering in studies of Fe-based functional alloys (Fe—Ga, Fe—Al)" Phys. Usp. 64 702–721 (2021)

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Received: 21st, June 2020, revised: 23rd, November 2020, accepted: 24th, November 2020

Оригинал: Балагуров А М, Головин И С «Рассеяние нейтронов в исследованиях функциональных сплавов на основе железа (Fe—Ga, Fe—Al)» УФН 191 738–759 (2021); DOI: 10.3367/UFNr.2020.11.038886

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