Zobrazeno 1 - 10
of 19
pro vyhledávání: '"N. V. Pushkarev"'
Publikováno v:
JETP Letters. 94:849-852
In layered Sr3YCo4O10.5 + δ-type cobaltites with different oxygen contents, we have observed a first order magnetic phase transition from the high-temperature “ferromagnetic” state to the low-temperature antiferromagnetic state. The transition c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5fdbc10b7bd761703d8cedfa4cf68f67
https://doi.org/10.1134/s002136401124009x
https://doi.org/10.1134/s002136401124009x
Autor:
A. N. Chobot, N. V. Pushkarev, M. Kopcewicz, O. Prohnenko, I. O. Troyanchuk, D. V. Karpinskiĭ, R. Szymczak, M. V. Bushinskiĭ
Publikováno v:
Crystallography Reports. 54:1172-1178
Bi1 − xSrxFeO3 − x/2 (I), Bi1 − xSrxFe1 − xMnxO3 (II), and Bi1 − xCaxFe1 − xMnxO3 (III) solid solutions have been obtained. Their magnetization has been measured by X-ray and neutron diffraction and Mossbauer spectroscopy. According to th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a23de1b5daf62b440a5ad3c5e45c2f18
https://doi.org/10.1134/s1063774509070074
https://doi.org/10.1134/s1063774509070074
Autor:
N. V. Pushkarev, M. V. Bushinsky, O. S. Mantytskaya, I. O. Troyanchuk, A. N. Chobot, R. Szymczak
Publikováno v:
Journal of Experimental and Theoretical Physics. 107:245-250
Solid solutions of Bi1 − x A x (Fe1 − x/2Nb x/2)O3, where A = Ca, Ba, and Pb, are obtained and their crystal structure and magnetic properties are investigated. It is shown that for A = Ca and x ≈ 0.15, the symmetry of the unit cell changes fro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cc31cee58f93684756cd7e7c2659fe3b
https://doi.org/10.1134/s1063776108080086
https://doi.org/10.1134/s1063776108080086
Publikováno v:
Physics of the Solid State. 48:1315-1320
The effect of high chromium concentrations on the charge and orbital ordering in manganites is studied using neutron diffraction and magnetic measurements. It is found that the Nd0.6Ca0.4Mn0.5Cr0.5O3 manganite exhibits a CE-type antiferromagnetic ord
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3e75bbeee8845a9e1f4d508d0e16d82
https://doi.org/10.1134/s106378340607016x
https://doi.org/10.1134/s106378340607016x
Autor:
I. O. Troyanchuk, R. Szymczak, A. Maignan, Sergei V. Trukhanov, M. V. Bushinsky, N. V. Pushkarev, H. Szymczak, L. S. Lobanovski, Delphine Flahaut, V. A. Khomchenko
Publikováno v:
The European Physical Journal B. 42:51-61
The crystal structure, magnetization and electrical transport depending on the temperature and magnetic field for the doped stoichiometric ${\rm La}_{1-x}^{3 + } {\rm Sr}_x^{2 + } {\rm Mn}_{1-x}^{3 + } {\rm Mn}_x^{4 + } {\rm O}_3^{2-} $ as well as an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::46eaf4ec4eb51bec0b9ae72f5b4d36a2
https://doi.org/10.1140/epjb/e2004-00357-8
https://doi.org/10.1140/epjb/e2004-00357-8
Publikováno v:
Physics of the Solid State. 46:1878-1883
The crystal structure and magnetic properties of the Nd(Mn−x Crx)O3 system (x≤0.85) have been studied. Substitution of chromium for manganese was shown to induce a transition from the antiferromagnetic to ferromagnetic state (x≈0.2) and a decre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d836415b6c17ac50bada5d5a3951a173
https://doi.org/10.1134/1.1809424
https://doi.org/10.1134/1.1809424
Publikováno v:
Journal of Experimental and Theoretical Physics. 96:110-117
An experimental investigation is performed of the crystal structure and magnetic and electrical properties of anion-deficient compositions of La 1− 3+ Ba x 2+ Mn3+O 3− 2/2− (0≤x≤0.30) which do not contain manganese ions of different vacanci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4c8d3f4ac31e339587221edadecfb586
https://doi.org/10.1134/1.1545390
https://doi.org/10.1134/1.1545390
Autor:
N. V. Kasper, N. V. Pushkarev, I. O. Troyanchuk, H. Szymczak, A. P. Sazonov, M Kopcewicz, R. Szymczak, Dmitry D. Khalyavin
Publikováno v:
Journal of Physics: Condensed Matter. 14:9007-9012
The TbBaCo1.92Fe0.08O5+δ layered perovskite, exhibiting a metal–insulator phase transition at TMI ~ 340 K, has been investigated by the Mossbauer spectroscopy method. It was found that the Fe3+ ions have two different positions in the low-temperat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cc84d1579203b0a1494b4c2373a2d22
https://doi.org/10.1088/0953-8984/14/39/310
https://doi.org/10.1088/0953-8984/14/39/310
Publikováno v:
Journal of Experimental and Theoretical Physics. 95:308-315
The crystal structure and the magnetic and electric properties of La 0.70 Ba 0.30 MnO 3 - γ manganite (0 ≤ γ ≤ 0.30) were studied experimentally depending on the concentration of oxygen vacancies. The stoichio- metric La 0.70 Ba 0.30 MnO 3 comp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ee640a2d4ebe9b3f7515dc225d287349
https://doi.org/10.1134/1.1506439
https://doi.org/10.1134/1.1506439
Publikováno v:
Physics of the Solid State. 43:677-681
The dependences of magnetic, electric, and magnetotransport properties on oxygen non stoichiometry were investigated in compounds of Ca2(FeMo)Ox and Sr2(FeMo)Ox (5.90≤x≤6.05). The regular trends in behavior of the magnetization, resistance, and m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b19e3b037ea2dd7f2ee64b7b38003332
https://doi.org/10.1134/1.1365992
https://doi.org/10.1134/1.1365992