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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Jain, A.
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Publications (17/17 displayed)
- 2024Elephant skin-inspired mycelium tiles for thermal regulation of buildings
- 2023MICROWAVE IRRADIATION SYNTHESIS OF NITROGENDOPED Ag/MWCNT/ZnO NANOCOMPOSITE FOR PHOTOCATALYTIC APPLICATIONcitations
- 2023A Look Into the Cytotoxicity of Composite Fillings: Friend or Foe?citations
- 2021Efficient calculation of carrier scattering rates from first principlescitations
- 2019Dual-photosensitizer coupled nanoscintillator capable of producing type I and type II ROS for next generation photodynamic therapycitations
- 2018Magnetic-luminescent cerium-doped gadolinium aluminum garnet nanoparticles for simultaneous imaging and photodynamic therapy of cancer cellscitations
- 2018Application potential of polymeric nanoconstructs for colon-specific drug delivery
- 2018Development of a functionalized UV-emitting nanocomposite for the treatment of cancer using indirect photodynamic therapycitations
- 2016The thermodynamic scale of inorganic crystalline metastabilitycitations
- 2016Prediction of the stiffness of reused carbon fiber/epoxy composite oriented strand board using finite element methods
- 2016Nondestructive testing and evaluation of conventional and reused carbon fiber epoxy composites using ultrasonic and stitched micro-CT
- 2013Pseudo-grain discretization and full Mori Tanaka formulation for random heterogeneous media: Predictive abilities for stresses in individual inclusions and the matrixcitations
- 2012Crossover from Spin Accumulation into Interface States to Spin Injection in the Germanium Conduction Bandcitations
- 2012Crossover from Spin Accumulation into Interface States to Spin Injection in the Germanium Conduction Bandcitations
- 2011Zinc oxide and indium tin oxide thin films for the growth and characterization of Shewanella loihica PV-4 electroactive biofilms.citations
- 2010Micellar solutions of a symmetrical amphiphilic ABA triblock copolymer with a temperature-responsive shellcitations
- 2010Thermoresponsive PS-b-PNIPAM-b-PS Micelles: Aggregation behavior, segmental dynamics, and thermal responsecitations
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article
Crossover from Spin Accumulation into Interface States to Spin Injection in the Germanium Conduction Band
Abstract
Electrical spin injection into semiconductors paves the way for exploring new phenomena in the area of spin physics and new generations of spintronic devices. However the exact role of interface states in the spin injection mechanism from a magnetic tunnel junction into a semiconductor is still under debate. In this Letter, we demonstrate a clear transition from spin accumulation into interface states to spin injection in the conduction band of n-Ge. We observe spin signal amplification at low temperature due to spin accumulation into interface states followed by a clear transition towards spin injection in the conduction band from 200 K up to room temperature. In this regime, the spin signal is reduced to a value compatible with the spin diffusion model. More interestingly, the observation in this regime of inverse spin Hall effect in germanium generated by spin pumping and the modulation of the spin signal by a gate voltage clearly demonstrate spin accumulation in the germanium conduction band.