Spin-injection stimulated emission of terahertz waves in magnetic junctions

Gulyaev, Yu. V.; Вилков, Е. А.; Zilberman, P. E.; Михайлов, Г. М.; Черных, А. В.; Chigarev, S. G.

doi:10.1134/s0021364014090069

Cited by 11 publications

(10 citation statements)

References 3 publications

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“…Such signals were recently observed in magnetic transitions, which appeared owing to the development of the tur bulence of emitted electromagnetic waves [14].…”

Section: Discussionmentioning

confidence: 99%

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sd-Exchange electron spin resonance in a ferromagnetic metal

et al. 2014

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The possibility of resonance absorption in the terahertz range caused by the sd exchange interaction at the incidence of an electromagnetic wave on a ferromagnetic metal has been predicted. The absorption coeffi cient has been calculated. It has been shown that the resonance frequency is determined by the magnetization of a ferromagnet and the absorption coefficient additionally depends on the orientation of the magnetization with respect to the plane of polarization of the wave.

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“…Such signals were recently observed in magnetic transitions, which appeared owing to the development of the tur bulence of emitted electromagnetic waves [14].…”

Section: Discussionmentioning

confidence: 99%

“…The linear absorption coefficient of the electro magnetic wave is (14) where c is the speed of light.…”

Section: Resonance Absorptionmentioning

confidence: 99%

sd-Exchange electron spin resonance in a ferromagnetic metal

et al. 2014

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“…For example Korenivski and coworkers showed non-specific emission of radiation from arrays of FePt/Cu point contacts using an integrating bolometric detector [10,14]. Similarly, Gulayev et al reported radiation from large contacts (>10 μm in diameter) between a ferromagnetic rod and a second ferromagnetic film [15][16][17] or an antiferromagnetic FeMn layer [18,19] observed in bolometric measurements using a Golay cell without intrinsic spectral resolution. Although they showed that the source of radiation is partially non-thermal [19][20][21][22], it is not demonstrably associated to the above named mechanism.…”

Section: Introductionmentioning

confidence: 98%

Microwave-induced direct spin-flip transitions in mesoscopic Pd/Co heterojunctions

et al. 2016

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We experimentally investigate the effect of resonant microwave absorption on the magneto-conductance of tunable Co/Pd point contacts. At the interface a non-equilibrium spin accumulation is created via microwave absorption and can be probed via point contact spectroscopy. We interpret the results as a signature of direct spin-flip excitations in Zeeman-split spin-subbands within the Pd normal metal part of the junction. The inverse effect, which is associated with the emission of a microwave photon in a ferromagnet/normal metal point contact, can also be detected via its unique signature in transport spectroscopy.

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“…which is the speed of the Bleustein-Gulyaev wave [1,2] (see also Equation (20) of [4]). We also note that for K ' !…”

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confidence: 99%

“…Keywords: interfacial wave; dispersion relation; imperfect bonding; piezoelectricity Bleustein [1] and Gulyaev [2] have shown that an elastic shear surface wave can be guided by the free surface of piezoelectric crystal in the class 6 mm. Maerfeld and Tournois [3] have shown that a pure shear elastic surface wave can also be guided by the interface of two semi-infinite media in perfect contact when at least one of these media is piezoelectric.…”

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confidence: 99%