Reversible control of magnetism in FeRh thin films

被引：18
|
作者：
Merkel, Daniel G. [1 ,2 ]
Lengyel, Attila [1 ]
Nagy, Denes L. [1 ]
Nemeth, Attila [1 ]
Horvath, Zsolt E. [2 ]
Bogdan, Csilla [1 ]
Gracheva, Maria A. [3 ]
Hegedus, Gergo [1 ]
Sajti, Szilard [1 ]
Radnoczi, Gyorgy Z. [2 ]
Szilagyi, Edit [1 ]
机构：
[1] Wigner Res Ctr Phys, POB 49, H-1525 Budapest, Hungary
[2] Ctr Energy Res, POB 49, H-1525 Budapest, Hungary
[3] Eotvos Lorand Univ, Inst Chem, Pazmany Peter Setany 1-A, H-1117 Budapest, Hungary
来源：
SCIENTIFIC REPORTS | 2020年 / 10卷 / 01期
关键词：
ELECTRIC-FIELD CONTROL; PHASE-TRANSITION; HYPERFINE FIELDS; MOSSBAUER; TRANSFORMATIONS; MULTIFERROICS; SIMULATION; DEPENDENCE; PROGRESS; MOMENTS;
D O I：
10.1038/s41598-020-70899-x
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The multilayer of approximate structure MgO(100)/[(Fe51Rh49)-Fe-n(63 angstrom)/(Fe51Rh49)-Fe-57(46 angstrom)](10) deposited at 200 degrees C is primarily of paramagnetic A1 phase and is fully converted to the magnetic B2 phase by annealing at 300 degrees C for 60 min. Subsequent irradiation by 120 keV Ne+ ions turns the thin film completely to the paramagnetic A1 phase. Repeated annealing at 300 degrees C for 60 min results in 100% magnetic B2 phase, i.e. a process that appears to be reversible at least twice. The A1 -> B2 transformation takes place without any plane-perpendicular diffusion while Ne+ irradiation results in significant interlayer mixing.
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收藏
页数：11
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