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Point-contact Andreev-reflection spectroscopy of doped manganites: Charge carrier spin-polarization and proximity effects (Review Article)

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dc.contributor.author Krivoruchko, V.N.
dc.contributor.author D’yachenko, A.I.
dc.contributor.author Tarenkov, V.Yu.
dc.date.accessioned 2017-05-29T13:08:56Z
dc.date.available 2017-05-29T13:08:56Z
dc.date.issued 2013
dc.identifier.citation Point-contact Andreev-reflection spectroscopy of doped manganites: Charge carrier spin-polarization and proximity effects (Review Article) / V.N. Krivoruchko, A.I. D’yachenko, V.Yu. Tarenkov // Физика низких температур. — 2013. — Т. 39, № 3. — С. 276–292. — Бібліогр.: 118 назв. — англ. uk_UA
dc.identifier.issn 0132-6414
dc.identifier.other PACS: 72.25.Mk, 74.45.+c, 72.25.Ba
dc.identifier.uri http://dspace.nbuv.gov.ua/handle/123456789/118223
dc.description.abstract Materials with spin-polarized charge carriers are the most demanded in the spin-electronics. Particularly requested are the so-called half-metals which have the maximum attainable value of carrier spin polarization. Doped manganites are in the list of compounds with, potentially, half-metallic properties. The point-contact (PC) Andreevreflection (AR) spectroscopy is a robust and direct method to measure the degree of current spin polarization. In this report, advances in PCAR spectroscopy of ferromagnetic manganites are reviewed. The experimental results obtained on “classic” s-wave superconductor — ferromagnetic manganites PCs, as well as related theoretical models applied to deduce the actual value of charge carrier spin-polarization, are discussed. Data obtained on “proximity affected” contacts is also outlined. Systematic and repeatable nature of a number of principal experimental facts detected in the AR spectrum of proximity affected contacts suggests that some new physical phenomena have been documented here. Different models of current flow through a superconductor–half-metal ferromagnet interface, as well as possibility of unconventional superconducting proximity effect, have been discussed. uk_UA
dc.language.iso en uk_UA
dc.publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України uk_UA
dc.relation.ispartof Физика низких температур
dc.subject К 75-летию со дня рождения И. К. Янсона uk_UA
dc.title Point-contact Andreev-reflection spectroscopy of doped manganites: Charge carrier spin-polarization and proximity effects (Review Article) uk_UA
dc.type Article uk_UA
dc.status published earlier uk_UA


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