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Spin Polarization D...
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Vilkov, E. A.Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia.
(författare)
Spin Polarization Dynamics of Nonequilibrium Conduction Electrons in Magnetic Junctions
- Artikel/kapitelEngelska2018
Förlag, utgivningsår, omfång ...
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Pleiades Publishing,2018
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printrdacarrier
Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-245960
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-245960URI
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https://doi.org/10.1134/S1063776118120105DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20190314
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The dynamics of the motion of the magnetic moment averaged over an ensemble of nonequilibrium spin-injected electrons in a ferromagnetic junction is considered with allowance for the exchange interaction, as well as the interaction with an external electromagnetic field and a thermostat. The solution of this problem is important for the experimental development of compact terahertz-band radiation sources. The rate of quantum transitions of electrons with opposite spins, which determine the spin relaxation under the interaction with a thermostat, is calculated within the density matrix formalism. It is shown that two spin-relaxation modes can be implemented that correspond to low- and high-Q precession of spin-nonequilibrium injected electrons. The effect of the characteristic features of spin-flip transitions under the relaxation of the magnetic moment on the emission and absorption of photons with-energy corresponding to the energy of effective exchange splitting of spin subbands is discussed.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Mikhailov, G. M.Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia.
(författare)
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Nikitov, S. A.Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia.
(författare)
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Safin, A. R.Natl Res Univ MPEI, Moscow 111250, Russia.
(författare)
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Logunov, M. V.Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia.
(författare)
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Korenivskii, VladislavKTH,Nanostrukturfysik(Swepub:kth)u17mjbwi
(författare)
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Chigarev, S. G.Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia.
(författare)
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Fomin, L. A.Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia.
(författare)
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Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia.Russian Acad Sci, Inst Microelect Technol & High Pur Mat, Chernogolovka 142432, Moscow Oblast, Russia.
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Experimental and Theoretical Physics: Pleiades Publishing127:6, s. 1022-10321063-77611090-6509
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