Electron spin resonance of conduction electrons in beryllium

Cousins, J.E.; Dupree, R.

doi:10.1016/0031-9163(65)90103-4

Cited by 11 publications

(2 citation statements)

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“…Interesting results were obtained by injecting spin into superconductors. Using YBa 2 Cu 3 O 7Ϫ␦ , for example, data were interpreted (Fi et al, 2002) to infer that the in-plane spin relaxation time is unusually long, 81 A list of selected metals includes Li (Feher and Kip, 1955;Orchard-Webb et al, 1970;Damay and Sienko, 1976); Na (Feher and Kip, 1955;Vescial et al, 1964;Kolbe, 1971); K (Walsh et al, 1966a); Rb (Schultz and Shanabarger, 1966;Walsh et al, 1966b); Cs (Schultz and Shanabarger, 1966;Walsh et al, 1966b); Be (Cousins and Dupree, 1965;Orchard-Webb et al, 1970); Mg (Bowring et al, 1971); Cu (Schultz and Latham, 1965;Lubzens and Schultz, 1976a;Monod and Schultz, 1982); Au (Monod and Já nossy, 1977); Zn (Stesmans and Witters, 1981); Al (Lubzens and Schultz, 1976b); graphite (Wagoner, 1960;Matsubara et al, 1991) about 100 s at low temperatures to 1 s close to the superconducting transition temperature. For quasiparticles moving along the c axis, s is more likely to be the usual spin-orbit-induced spin relaxation time, having values of 10-100 ps.…”

Section: Spin Relaxation In Metalsmentioning

confidence: 99%

“…II) was also used to measure τ s for various metals, including Al (Jedema et al, 2002a(Jedema et al, ,b, 2003Johnson and Silsbee, 1985), Au (Elezzabi et al, 1996), Cu (Jedema et al, 2001(Jedema et al, , 2003, and Nb (Johnson, 1994). In addition to CESR and spin injection, information about spin-orbit scattering times τ so (see below) in various (but mostly 81 A list of selected metal includes Li (Damay and Sienko, 1976;Feher and Kip, 1955;Orchard-Webb et al, 1970); Na (Feher and Kip, 1955;Kolbe, 1971;Vescial et al, 1964), K (Walsh et al, 1966a); Rb (Schultz and Shanabarger, 1966;Walsh et al, 1966b); Cs (Schultz and Shanabarger, 1966;Walsh et al, 1966b); Be (Cousins and Dupree, 1965;Orchard-Webb et al, 1970), Mg (Bowring et al, 1971); Cu (Lubzens and Schultz, 1976a;Monod and Schultz, 1982;Schultz and Latham, 1965); Au (Monod and Jánossy, 1977); Zn (Stesmans and Witters, 1981); Al (Lubzens and Schultz, 1976b); graphite (Matsubara et al, 1991;Wagoner, 1960); Rb 3 C 60 (Jánossy et al, 1993); MgB 2 (Simon et al, 2001). Various data on CESR τs are collected in (Beuneu and Monod, 1978;Monod and Beuneu, 1979).…”

Section: Spin Relaxation In Metalsmentioning

confidence: 99%

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Spintronics: Fundamentals and applications

2004

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Spintronics, or spin electronics, involves the study of active control and manipulation of spin degrees of freedom in solid-state systems. This article reviews the current status of this subject, including both recent advances and well-established results. The primary focus is on the basic physical principles underlying the generation of carrier spin polarization, spin dynamics, and spin-polarized transport in semiconductors and metals. Spin transport differs from charge transport in that spin is a nonconserved quantity in solids due to spin-orbit and hyperfine coupling. The authors discuss in detail spin decoherence mechanisms in metals and semiconductors. Various theories of spin injection and spin-polarized transport are applied to hybrid structures relevant to spin-based devices and fundamental studies of materials properties. Experimental work is reviewed with the emphasis on projected applications, in which external electric and magnetic fields and illumination by light will be used to control spin and charge dynamics to create new functionalities not feasible or ineffective with conventional electronics. CONTENTS

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Section: Spin Relaxation In Metalsmentioning

confidence: 99%

Section: Spin Relaxation In Metalsmentioning

confidence: 99%

Spintronics: Fundamentals and applications

2004

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Conduction Electron Spin Resonance in Small Particles of Gold

Dupree

Fobwood

Asmith

1967

Physica Status Solidi (b)

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Electron spin resonance has been observed in small particles of gold with a mean diameter of 30 A. The resonance is attributed to conduction electrons in particles where the electron-phonon interaction is severely inhibited. The mean g-value is 2.26 f 0.02 and the mean line width 200 G. A variation of line width with temperature has been observed and is explained tentatively in terms of the discreteness of the electron energy levels.La resonance paramagnetique Blect,ronique a BtB observee dans les petites particules d'or, de diamktre moyen de 30 A. La resonance est attribuee aux electrons de conduction dans les particules oh l'interaction entre les electrons et les phonons est fortement supprimbe.La valeur moyenne de g est 2.26 f 0.02 tandis que la largeur rnoyenne de raie est 200 G.Une variation de la largeur de raie en fonction de la temperature est expliquhe par la separation en Bnergie des niveaux Blectroniques.

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Conduction Electron Spin Resonance in Magnesium

Bowring

Smithard

Cousins

1971

Physica Status Solidi (b)

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Measurements of the conduction electron spin resonance linewidths and relaxation times of magnesium are preeented as a function of temperature and at a frequency of 9.27 GHz. The samples all had dimensions which were large in comparison with the skin depth and a temperature range of 80 to 000 OK was covered. The results are interpreted in terms of a temperature-dependent intrinsic relaxation mechanism, a temperaturedependent surface relaxation mechanism and a temperature-independent impurity one.On prbaente ici, 8. la frbquence de 9,27 GHz, les spectres de rbaonances magnbtiques blectroniques de divers Bchantillons de magnesium ayant des dimensions qui sont grandes en considbration de la profondeur de la peau. Les raies dependent de la temperature entre 80 et 600 OK. Un modble simple permet de prevoir les effets par un mbcenisme de relaxation intrinshque, par un mecanisme de relaxation de la surface et par un mecanisme de relaxation des impuretbs.

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Electron spin resonance of conduction electrons in beryllium

Cited by 11 publications

References 4 publications

Spintronics: Fundamentals and applications

Spintronics: Fundamentals and applications

Conduction Electron Spin Resonance in Small Particles of Gold

Conduction Electron Spin Resonance in Magnesium

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