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Rotational magnetic anisotropy in polycrystalline FePt films fabricated by solid-state synthesis / V. S. Zhigalov [et al.] // Phys. Solid State. - 2018. - Vol. 60, Is. 1. - P. 178-182, DOI 10.1134/S1063783418010298. - Cited References:24. - This study was supported by the Russian Foundation for Basic Research, projects nos. 16-03-00069 and 15-02-00948 and supported in part by the Government of the Russian Federation and the Krasnoyarsk Territorial Foundation for Support of Scientific and R&D Activity, project no. 16-42-243006. . - ISSN 1063-7834. - ISSN 1090-6460

РУБ Physics, Condensed Matter
Рубрики:
THIN-FILMS
   ROTATABLE ANISOTROPY
   NANOPARTICLES
   COPT
   TEMPERATURE
Аннотация: It is shown that annealing 550°C of the Fe/Pt bilayer films fabricated by layer-by-layer deposition onto polycrystalline Al2O3 substrates in an atomic ratio of Fe: Pt = 71: 29 leads to the formation of the inplane rotational magnetic anisotropy with the easy axis that can be aligned by magnetic field in any direction in the film plane. The increase in the Pt content in the investigated film system to 50 at % leads to an increase in the anisotropy constant to 6.5 × 106 erg/cm3, which exceeds the value in the Fe71Pt29 sample by a factor of 6. In addition to the rotational anisotropy, the Fe50Pt50 films are characterized by the perpendicular rotational magnetic anisotropy, which is higher than the film shape anisotropy. Therefore, the easy axis in these samples can be aligned by magnetic field in any spatial direction. According to the X-ray and magnetic measurement data, the synthesized samples have a polycrystalline structure consisting of two ordered phases: magnetically hard L10–FePt and magnetically soft L12–Fe3Pt. This gives us grounds to suggest that the rotational magnetic anisotropy originates from the epitaxial intergrowth and exchange coupling of these two phases.

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Публикация на русском языке Магнитная вращающаяся анизотропия в поликристаллических пленках FePt, полученных методом твердофазного синтеза [Текст] / В. С. Жигалов [и др.] // Физ. тверд. тела. - 2018. - Т. 60 Вып. 1. - С. 175-179

Держатели документа:
Russian Acad Sci, Fed Res Ctr KSC SB RAS, Kirensky Inst Phys, Krasnoyarsk 660036, Russia.
Russian Acad Sci, Fed Res Ctr KSC SB RAS, Inst Chem & Chem Technol, Krasnoyarsk 660036, Russia.
Siberian State Aerosp Univ, Krasnoyarsk 660014, Russia.

Доп.точки доступа:
Zhigalov, V. S.; Жигалов, Виктор Степанович; Myagkov, V. G.; Мягков, Виктор Григорьевич; Bykova, L. E.; Быкова, Людмила Евгеньевна; Bondarenko, G. N.; Velikanov, D. A.; Великанов, Дмитрий Анатольевич; Volochaev, M. N.; Волочаев, Михаил Николаевич; Russian Foundation for Basic Research [16-03-00069, 15-02-00948]; Government of the Russian Federation; Krasnoyarsk Territorial Foundation for Support of Scientific and RD Activity [16-42-243006]
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