Anisotropic Properties of Photon Drag Effect in <i>p</i>-type Germanium

Hattori, Hitoshi; Jimbo, Takashi; Fujitani, Osamu; Miki, Shichiro

doi:10.1143/jpsj.35.826

Cited by 10 publications

(3 citation statements)

References 1 publication

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“…Photon drag describes photocurrents that result from the transfer of linear momentum from incident photons to excited carriers [ Fig.4(b)], thus permitting a photocurrent even if states are symmetrically distributed in k-space. Helicity-independent photon drag photocurrents generated transverse to the direction of momentum transfer, consistent with what we observe, have been attributed in conventional semiconductors to an aspheric bulk band structure 30 , which is also present in Bi 2 Se 3 and may be the origin of D and L 2 . Recently, a new helicity-dependent form of photon drag was observed alongside photogalvanic currents in a quantum well system 25 .…”

Section: ! 4!supporting

confidence: 89%

See 1 more Smart Citation

Control over topological insulator photocurrents with light polarization

McIver¹,

Hsieh²,

Steinberg³

et al. 2011

Nature Nanotech

574

656

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Section: ! 4!supporting

confidence: 89%

“…7! different mechanism that is allowed in the bulk called the photon drag effect [28][29][30][31] . Photon drag describes photocurrents that result from the transfer of linear momentum from incident photons to excited carriers [ Fig.4(b)], thus permitting a photocurrent even if states are symmetrically distributed in k-space.…”

Section: ! 4!mentioning

confidence: 99%

Control over topological insulator photocurrents with light polarization

McIver¹,

Hsieh²,

Steinberg³

et al. 2011

Nature Nanotech

574

656

View full text Add to dashboard Cite

“…However, the observed photocurrent was bulk, distinct from the photovoltaic effect. They suggested that the photon drag effect − (as shown in Figure d) is the cause of the photocurrent, which arises from the transfer of linear momentum from incident photons to excited carriers. In conventional semiconductors, this is attributed to an aspherical bulk band structure.…”

Section: Light Modulation Of Magnetismmentioning

confidence: 99%

Perspectives: Light Control of Magnetism and Device Development

Fang,

Wu,

Zhang

et al. 2024

ACS Nano

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Accurately controlling magnetic and spin states presents a significant challenge in spintronics, especially as demands for higher data storage density and increased processing speeds grow. Approaches such as light control are gradually supplanting traditional magnetic field methods. Traditionally, the modulation of magnetism was predominantly achieved through polarized light with the help of ultrafast light technologies. With the growing demand for energy efficiency and multifunctionality in spintronic devices, integrating photovoltaic materials into magnetoelectric systems has introduced more physical effects. This development suggests that sunlight will play an increasingly pivotal role in manipulating spin orientation in the future. This review introduces and concludes the influence of various light types on magnetism, exploring mechanisms such as magneto-optical (MO) effects, light-induced magnetic phase transitions, and spin photovoltaic effects. This review briefly summarizes recent advancements in the light control of magnetism, especially sunlight, and their potential applications, providing an optimistic perspective on future research directions in this area.

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