Photo-induced Magnetic bubbles in the spin glass Alloy Fe2SnTe4 |
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| Institution: | 1. Institute of Experimental Physics, SAS, Watsonova 47, 040 01 Košice, Slovakia;2. Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, 141 980 Dubna, Moscow Region, Russian Federation;3. Department of Theoretical Physics and Astrophysics, Faculty of Science, P.J. Šafárik University, Park Angelinum 9, 040 01 Košice, Slovakia;1. Department of Physics, National Taiwan Normal University, Taipei 116, Taiwan;2. Institute of Physics, Academia Sinica, Nankang, Taipei 11529, Taiwan;1. Smart Materials Lab, Thiagarajar College of Engineering, Madurai 625 015, India;2. Defence Metallurgical Research Laboratory, Hyderabad 500 058, India;3. Central Glass and Ceramic Research Institute, Kolkata 700 032, India;1. Kirensky Institute of Physics, Federal Research Center KSC SB RAS, Krasnoyarsk 660036 Russia;2. Siberian Federal University, Krasnoyarsk 660041 Russia;1. Department of Computer Science and Engineering, University of Aizu, Aizu-Wakamatsu 965-8580, Japan;2. Research Institute of Electrical Communication, Tohoku University, Sendai 980-8577, Japan;3. Institute of Ultra-High Frequency Semiconductor Electronics of RAS, Moscow 117105, Russia;4. Center for Photonics and 2-D Materials, Moscow Institute of Physics and Technology, Dolgoprudny 141700, Russia;5. Center for Photonics and Infrared Technology, Bauman Moscow State Technical University, Moscow 105005, Russia;6. Institute for Physics of Microstructures of RAS, Nizhny Novgorod 603950, Russia;7. Department of Electrical Engineering, University at Buffalo, Buffalo, NY 14260, USA;8. Department of ECS Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA;9. Electronics of the Future, Inc., Vienna, VA 22181, USA |
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| Abstract: | The ternary material Fe2SnTe4 is an amorphous metallic alloy that exhibits spin glass behavior with a freezing temperature of Tf = 12 K. When this material is cooled well below the spin glass freezing temperature (T = 5 K) and placed in a magnetization field, the zero-field-cooled spin glass state has been observed to absorb ultraviolet radiation with the concomitant generation of a magnetic bubble on the surface of the material. The photo-induced magnetic bubbles are detected via magnetization measurements with a superconducting SQUID susceptometer. Photomagnetic experiments are reported on the zero-fieldcooled and field-cooled specimens. Each of these experiments results in the generation of a magnetic bubble in the material. |
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