Search Results - "Bottegoni, F."
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Hole and electron spin lifetime in lightly n-doped silicon at low temperatures
Published in Applied physics letters (21-10-2024)“…We report on photoinduced inverse spin-Hall effect (ISHE) measurements as a function of the incident photon energy in the 4–50 K temperature range for a…”
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2
Optical spin injection and spin lifetime in Ge heterostructures
Published in Physical review letters (13-04-2012)“…We demonstrate optical orientation in Ge/SiGe quantum wells and study their spin properties. The ultrafast electron transfer from the center of the Brillouin…”
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3
Inverse spin-Hall effect in GeSn
Published in Applied physics letters (24-05-2021)“…Due to the long spin lifetime and its optical and electrical properties, GeSn is a promising candidate for the integration of spintronics, photonics, and…”
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4
Optical generation of pure spin currents at the indirect gap of bulk Si
Published in Applied physics letters (23-01-2017)“…We report on the optical generation of a pure spin current at the indirect gap of bulk Si at room temperature in the photon energy range comprised between 1.2…”
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5
Non-local electrical spin injection and detection in germanium at room temperature
Published in Applied physics letters (30-10-2017)“…Non-local carrier injection/detection schemes lie at the very foundation of information manipulation in integrated systems. This paradigm consists in…”
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6
Spin-Hall Voltage over a Large Length Scale in Bulk Germanium
Published in Physical review letters (21-04-2017)“…We exploit the spin-Hall effect to generate a uniform pure spin current in an epitaxial n-doped Ge channel, and we detect the electrically induced spin…”
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7
Imaging spin diffusion in germanium at room temperature
Published in Physical review. B, Condensed matter and materials physics (05-07-2017)“…We report on the nonlocal detection of optically oriented spins in lightly n-doped germanium at room temperature. Localized spin generation is achieved by…”
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8
Tuning spin-charge interconversion with quantum confinement in ultrathin bismuth films
Published in Physical review. B, Condensed matter and materials physics (01-11-2018)Get full text
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9
Electric field modulation of spin transport
Published in APL materials (01-01-2022)“…The finite spin lifetime in solids is often considered a major hindrance for the development of spintronic devices, which typically require cryogenic…”
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10
Doping dependence of the electron spin diffusion length in germanium
Published in APL materials (01-10-2019)“…We have investigated the electron spin diffusion length at room temperature in bulk n-doped germanium as a function of the doping concentration. To this…”
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Journal Article -
11
Non-local architecture for spin current manipulation in silicon platforms
Published in APL materials (01-02-2023)“…We have developed a non-local architecture for spin current injection, manipulation, and detection in n-doped bulk Si at room temperature. Spins are locally…”
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12
Photoinduced inverse spin Hall effect in Pt/Ge(001) at room temperature
Published in Applied physics letters (15-04-2013)“…We performed photoinduced inverse spin Hall effect (ISHE) measurements on a Pt/Ge(001) junction at room temperature. The spin-oriented electrons,…”
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Journal Article -
13
Spin diffusion in Pt as probed by optically generated spin currents
Published in Physical review. B, Condensed matter and materials physics (02-12-2015)“…We investigate the dependence of the photoinduced inverse spin-Hall effect (ISHE) signal in a set of Pt/Ge(001) junctions as a function of the Pt thickness…”
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14
Pure spin currents in Ge probed by inverse spin-Hall effect
Published in AIP advances (01-05-2017)“…We perform photoinduced inverse spin-Hall effect (ISHE) measurements on a Pt/Ge(001) junction at room temperature. The spin-oriented electrons are…”
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15
Crystal field and low energy excitations measured by high resolution RIXS at the L3 edge of Cu, Ni and Mn
Published in The European physical journal. ST, Special topics (01-03-2009)“…Resonant inelastic x-ray scattering in the soft x-ray regime has been profiting much from technical advances that have lowered considerably the instru- mental…”
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Journal Article Conference Proceeding -
16
Experimental evaluation of the spin-Hall conductivity in Si-doped GaAs
Published in Physical review. B, Condensed matter and materials physics (17-09-2013)“…We performed photoinduced inverse spin-Hall effect (ISHE) measurements on Si-doped bulk GaAs at room temperature. The spin current is optically injected in the…”
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17
Enhanced orbital mixing in the valence band of strained germanium
Published in Physical review. B, Condensed matter and materials physics (19-06-2012)“…We give a theoretical explanation of the very high electron-spin polarization measured in compressively strained Ge layers through spin-polarized photoemission…”
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18
From Cr carbide to Cr oxide through a graphene layer
Published in Applied surface science (15-10-2022)“…[Display omitted] •CrC2 is grown by intercalation of Cr at the graphene/Ni(1 1 1) interface.•The oxidation at relatively low pressure of molecular oxygen…”
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19
Epitaxial Si sub(1-x)Ge sub(x) alloys studied by spin-polarized photoemission
Published in Physical review. B, Condensed matter and materials physics (15-09-2013)“…Spin-polarized photoemission is used to study Si sub(1-x) Ge sub(x) alloys epitaxially grown on a Si substrate. Spin-oriented electrons are generated in the…”
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20
Epitaxial Si 1 − x Ge x alloys studied by spin-polarized photoemission
Published in Physical review. B, Condensed matter and materials physics (01-09-2013)Get full text
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