2015
DOI: 10.1103/physrevlett.115.026601
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Spin Hall Effect in Disordered Organic Solids

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Cited by 23 publications
(20 citation statements)
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“…Many of the chosen molecules such as 2,7-dioctyl[1]benzothieno[3,2–b][1]benzothiophene (C8-BTBT), 2,9-didecyl-dinaphtho[2,3-b:2′,3′-f]thieno[3,2–b]thiophene (C10-DNTT) or rubrene are widely studied and perform exceptionally well in organic thin film transistors with hole mobilities of 5–10 cm 2  V −1  s −1 and signs of coherent charge transport such as a metallic Hall effect12 and a band-like temperature dependence of the mobility13. Since high charge carrier mobilites are expected to improve spin diffusion lengths1 and the spin Hall angle is predicted to increase with reduced energetic disorder14, such systems are natural candidates for spintronics applications. Hence, the chosen series of molecules offers a unique opportunity to systematically study the strength of SOC and its effect on spin lifetimes.…”
Section: Resultsmentioning
confidence: 99%
“…Many of the chosen molecules such as 2,7-dioctyl[1]benzothieno[3,2–b][1]benzothiophene (C8-BTBT), 2,9-didecyl-dinaphtho[2,3-b:2′,3′-f]thieno[3,2–b]thiophene (C10-DNTT) or rubrene are widely studied and perform exceptionally well in organic thin film transistors with hole mobilities of 5–10 cm 2  V −1  s −1 and signs of coherent charge transport such as a metallic Hall effect12 and a band-like temperature dependence of the mobility13. Since high charge carrier mobilites are expected to improve spin diffusion lengths1 and the spin Hall angle is predicted to increase with reduced energetic disorder14, such systems are natural candidates for spintronics applications. Hence, the chosen series of molecules offers a unique opportunity to systematically study the strength of SOC and its effect on spin lifetimes.…”
Section: Resultsmentioning
confidence: 99%
“…Because of the concise expressions of SOC, Rashba effect, and g -factor, this model also facilitates studies of spin relaxation39, spin Hall effect40, and other magneto optical and spintronic phenomena.…”
Section: Discussionmentioning
confidence: 99%
“…This effective-mass model is a foundation on which systematic models of electron-phonon coupling, carrier mobility, and other transport properties can be developed. Because of the concise expressions of SOC, Rashba effect, and g -factor, this model also facilitates studies of spin relaxation 39 , spin Hall effect 40 , and other magneto optical and spintronic phenomena.…”
Section: Discussionmentioning
confidence: 99%
“…and indirect (i → k → j) hoppings in a triad, where i and j are pairs of hopping sites, and k is the intermediate hopping site 13 . A similar mechanism can also give rise to the SHE in the insulating regime; the SHE in this regime arises when the hopping via an intermediate site is considered in addition to the hopping between pairs of sites 30 . The observed scaling of the spin Hall conductivity over the wide range of electric conductivity demonstrates an important correspondence between the SHE and the AHE in both the metallic and insulating regimes.…”
Section: Transport Measurementmentioning
confidence: 96%