caa a22 4500 467923140 CHVBK 20180406152922.0 cr unu---uuuuu 170328e20060501xx s 000 0 eng 10.1134/S1087659606030138 doi (NATIONALLICENCE)springer-10.1134/S1087659606030138 Preparation and properties of CuCr2Se4 ferromagnetic spinel nanocrystals [Elektronische Daten] [D. Kim, A. Rusnak, S. Parameswaran, C. Patra, V. Trofimov, R. Harpness, A. Gedanken, Yu. Tver'yanovich] Polycrystalline and nanocrystalline samples of the CuCr2Se4 ferromagnetic spinel are synthesized. The mean size of nanocrystals is 50 nm. The Curie temperature of spinel nanocrystals (465 K) is higher than that of spinel polycrystals (435 K). Laser irradiation at a wavelength of 1.5 μm (in an external magnetic field) increases the magnetization of the noncrystalline powder. Most likely, this can be explained by the change in the orientation of magnetic moments of single-domain nanoparticles. The observed effect reaches a maximum in magnetic fields with a strength lower than that of the saturation field. Pleiades Publishing, Inc., 2006 Kim D. Korea Institute of Machinery and Materials, Korea aut Rusnak A. Research Institute of Laser Technologies, St. Petersburg State University, Ul'yanovskaya ul. 5, 198504, Petrodvorets, Russia aut Parameswaran S. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut Patra C. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut Trofimov V. Faculty of Geology, St. Petersburg State University, 199034, St. Petersburg, Russia aut Harpness R. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut Gedanken A. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut Tver'yanovich Yu Research Institute of Laser Technologies, St. Petersburg State University, Ul'yanovskaya ul. 5, 198504, Petrodvorets, Russia aut Glass Physics and Chemistry Nauka/Interperiodica 32/3(2006-05-01), 330-336 1087-6596 32:3<330 2006 32 10720 https://doi.org/10.1134/S1087659606030138 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1134/S1087659606030138 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kim D. Korea Institute of Machinery and Materials, Korea aut NATIONALLICENCE 700 1- Rusnak A. Research Institute of Laser Technologies, St. Petersburg State University, Ul'yanovskaya ul. 5, 198504, Petrodvorets, Russia aut NATIONALLICENCE 700 1- Parameswaran S. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut NATIONALLICENCE 700 1- Patra C. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut NATIONALLICENCE 700 1- Trofimov V. Faculty of Geology, St. Petersburg State University, 199034, St. Petersburg, Russia aut NATIONALLICENCE 700 1- Harpness R. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut NATIONALLICENCE 700 1- Gedanken A. Department of Chemistry, Laboratory of Nanomaterials, Center of Advanced Materials and Nanotechnologies, Bar-Ilan University, 52900, Ramat-Gan, Israel aut NATIONALLICENCE 700 1- Tver'yanovich Yu Research Institute of Laser Technologies, St. Petersburg State University, Ul'yanovskaya ul. 5, 198504, Petrodvorets, Russia aut NATIONALLICENCE 773 0- Glass Physics and Chemistry Nauka/Interperiodica 32/3(2006-05-01), 330-336 1087-6596 32:3<330 2006 32 10720 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer