Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Yu.I. Spichkin"'
Autor:
K. I. Kamilov, Anna Semisalova, Yurii K. Gun'ko, A.K. Yakushechkina, Alexander P. Pyatakov, T.M. Elkhova, A.M. Tishin, Yu.I. Spichkin, N. S. Perov
Publikováno v:
Solid State Phenomena. :761-765
In this report, were studied the heating capability of magnetic nanoparticles (MNps) made from Zn-substituted manganese ferrite compounds ZnxMn1-xFe2O4 with Zn content varying from 0% to 90%. The MNps of diameter 5-25 nm were synthesized by co-precip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2b7f02a21f7f35d66e87fe8296922a3
https://doi.org/10.4028/www.scientific.net/ssp.233-234.761
https://doi.org/10.4028/www.scientific.net/ssp.233-234.761
Autor:
Yu.I. Spichkin, A.M. Tishin
Publikováno v:
International Journal of Refrigeration. 37:223-229
Recent results in understanding of the magnetocaloric effect (MCE) mechanisms in the framework of thermodynamic approach are regarded and discussed. Importance of relation between ΔSMT (magnetic entropy change at constant temperature) and ΔSMH (mag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::781f3b026521c28292ad4c19f41ef44e
https://doi.org/10.1016/j.ijrefrig.2013.09.012
https://doi.org/10.1016/j.ijrefrig.2013.09.012
Autor:
Yu.I. Spichkin, R.R. Gimaev
Publikováno v:
International Journal of Refrigeration. 37:230-236
The methods of experimental investigations of the magnetocaloric parameters (adiabatic temperature change and isothermal magnetic entropy change caused by external magnetic field) are reviewed and discussed. The direct and indirect methods are compar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e374e7e0734b58c74224175ae4eb4424
https://doi.org/10.1016/j.ijrefrig.2013.09.018
https://doi.org/10.1016/j.ijrefrig.2013.09.018
Publikováno v:
Solid State Phenomena. 190:175-178
A method of measuring crystal field parameters by means of a rotating-sample magnetometer is presented. The measurement is performed by registering 2nd, 4th and 6th harmonics of the signal that is proportional to magnetization change due to rotation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14d1e4f74d80949d46aae2b67a22a3a2
https://doi.org/10.4028/www.scientific.net/ssp.190.175
https://doi.org/10.4028/www.scientific.net/ssp.190.175
Autor:
A. V. Kozinkin, T. I. Nedoseikina, A.M. Tishin, M. S. Korobov, Yu. A. Koksharov, S. P. Gubin, Yu.I. Spichkin, G. Yu. Yurkov
Publikováno v:
Journal of Magnetism and Magnetic Materials. 265:234-242
Magnetic, magnetic resonance and structural properties of Co nanoparticles in polyethylene matrix have been investigated. The materials were prepared by a method of thermal decomposition of cobalt formate in the polyethylene melt in a mineral oil and
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b65226c399e9d24a71cdb2eb5ce0b27
https://doi.org/10.1016/s0304-8853(03)00271-3
https://doi.org/10.1016/s0304-8853(03)00271-3
Autor:
G. Yu. Yurkov, Yu.I. Spichkin, A. V. Kozinkin, I. V. Pirog, Valery G. Vlasenko, S. P. Gubin, Yu. A. Koksharov, Denis A. Pankratov, T. I. Nedoseikina
Publikováno v:
Inorganic Materials. 38:137-145
A method is proposed for the preparation of iron(III) oxide nanoparticles via thermal decomposition of iron(III) acetate in a high-temperature solution of polyethylene. The nanoparticles were characterized by EXAFS, EPR, and Mossbauer spectroscopy. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14a48cecfbf15d5db1ef67cd2118966a
https://doi.org/10.1023/a:1014013110541
https://doi.org/10.1023/a:1014013110541
Publikováno v:
Journal of Physics D: Applied Physics. 34:1162-1166
A wide class of magnetic molecular materials - molecular clusters with high magnetic moment containing 3d transition metals (such as `Fe8', `Mn12ac', etc) - have been considered from the point of view of their use as refrigerants in low-temperature r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0183e861ff8717b4aadff009384148f
https://doi.org/10.1088/0022-3727/34/8/306
https://doi.org/10.1088/0022-3727/34/8/306
Publikováno v:
Journal of Magnetism and Magnetic Materials. 204:5-10
The temperature dependence of Young's modulus ( E c and E b ) and the internal friction have been measured in a high-purity gadolinium single crystal along the c - and b - axis in the temperature range of 4.2–350 K at the frequencies of 800–1200
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0722def151e881b4c7d870fec432fac1
https://doi.org/10.1016/s0304-8853(99)00435-7
https://doi.org/10.1016/s0304-8853(99)00435-7
Autor:
Vitalij K. Pecharsky, A.S. Chernyshov, Karl A. Gschneidner, Michael D. Kuz’min, A.M. Tishin, A.V. Derkach, Yu.I. Spichkin
Publikováno v:
Journal of Magnetism and Magnetic Materials. 316:e555-e557
The magnetic field and temperature dependences of the adiabatic temperature change (Δ T ) were measured in single-crystalline and polycrystalline gadolinium (Gd) near the Curie point ( T C ) by a direct method while continuously changing magnetic fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14e6c4d3af29c88b8b19d59baee33af0
https://doi.org/10.1016/j.jmmm.2007.03.017
https://doi.org/10.1016/j.jmmm.2007.03.017
Publikováno v:
Journal of Magnetism and Magnetic Materials. 161:265-269
The results of an investigation of the Young's modulus E and the internal friction Q −1 of a Ho 0.5 Er 0.5 single crystal in the basal plane in the temperature range 4.2–400 K are reported. The measurements were carried out by the method of flexu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::209c36c9d938c9cc8cc484c559dc256f
https://doi.org/10.1016/s0304-8853(96)00022-4
https://doi.org/10.1016/s0304-8853(96)00022-4