Search Results - "PALMSTRØM, C. J"
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Zero-Energy Modes from Coalescing Andreev States in a Two-Dimensional Semiconductor-Superconductor Hybrid Platform
Published in Physical review letters (26-10-2017)“…We investigate zero-bias conductance peaks that arise from coalescing subgap Andreev states, consistent with emerging Majorana zero modes, in hybrid…”
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Conductance-Matrix Symmetries of a Three-Terminal Hybrid Device
Published in Physical review letters (24-01-2020)“…We present conductance-matrix measurements of a three-terminal superconductor-semiconductor hybrid device consisting of two normal leads and one…”
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Selective-Area-Grown Semiconductor-Superconductor Hybrids: A Basis for Topological Networks
Published in Physical review letters (05-10-2018)“…We introduce selective area grown hybrid InAs/Al nanowires based on molecular beam epitaxy, allowing arbitrary semiconductor-superconductor networks containing…”
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Fast electrical control of single electron spins in quantum dots with vanishing influence from nuclear spins
Published in Physical review letters (31-12-2014)“…We demonstrate fast universal electrical spin manipulation with inhomogeneous magnetic fields. With fast Rabi frequency up to 127 MHz, we leave the…”
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Quantized conductance doubling and hard gap in a two-dimensional semiconductor–superconductor heterostructure
Published in Nature communications (29-09-2016)“…Coupling a two-dimensional (2D) semiconductor heterostructure to a superconductor opens new research and technology opportunities, including fundamental…”
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Superconducting, insulating and anomalous metallic regimes in a gated two-dimensional semiconductor–superconductor array
Published in Nature physics (01-11-2018)“…The superconductor–insulator transition in two dimensions has been widely investigated as a paradigmatic quantum phase transition. The topic remains…”
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Parity-preserving and magnetic field-resilient superconductivity in InSb nanowires with Sn shells
Published in Science (American Association for the Advancement of Science) (30-04-2021)“…Improving materials used to make qubits is crucial to further progress in quantum information processing. Of particular interest are…”
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Observation of a topologically non-trivial surface state in half-Heusler PtLuSb (001) thin films
Published in Nature communications (27-06-2016)“…The discovery of topological insulators, materials with bulk band gaps and protected cross-gap surface states in compounds such as Bi 2 Se 3 , has generated…”
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Mirage Andreev Spectra Generated by Mesoscopic Leads in Nanowire Quantum Dots
Published in Physical review letters (21-09-2018)“…We study transport mediated by Andreev bound states formed in InSb nanowire quantum dots. Two kinds of superconducting source and drain contacts are used:…”
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An apparent metal-insulator transition in high-mobility two-dimensional InAs heterostructures
Published in Physical review. B, Condensed matter and materials physics (06-10-2014)“…We report on the first experimental observation of an apparent metal-insulator transition in a two-dimensional electron gas confined in an InAs quantum well…”
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Proximity Effect Transfer from NbTi into a Semiconductor Heterostructure via Epitaxial Aluminum
Published in Nano letters (08-02-2017)“…We demonstrate the transfer of the superconducting properties of NbTi, a large-gap high-critical-field superconductor, into an InAs heterostructure via a thin…”
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Electrical detection of spin accumulation at a ferromagnet-semiconductor interface
Published in Physical review letters (05-05-2006)“…We show that the accumulation of spin-polarized electrons at a forward-biased Schottky tunnel barrier between Fe and -GaAs can be detected electrically. The…”
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Gating of high-mobility InAs metamorphic heterostructures
Published in Applied physics letters (29-12-2014)“…We investigate the performance of gate-defined devices fabricated on high mobility InAs metamorphic heterostructures. We find that heterostructures capped with…”
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Spin accumulation near Fe/GaAs (001) interfaces: The role of semiconductor band structure
Published in Physical review. B, Condensed matter and materials physics (22-08-2011)Get full text
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Large second-order Josephson effect in planar superconductor-semiconductor junctions
Published in SciPost physics (01-01-2024)“…We investigate the current-phase relations of Al/InAs-quantum well planar Josephson junctions fabricated using nanowire shadowing technique. Based on several…”
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Bias-controlled sensitivity of ferromagnet/semiconductor electrical spin detectors
Published in Physical review. B, Condensed matter and materials physics (01-07-2009)Get full text
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Spin injection across the Fe/GaAs interface: Role of interfacial ordering
Published in Physical review. B, Condensed matter and materials physics (16-11-2009)Get full text
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Structural and electronic properties of molecular beam epitaxially grown Ni1+xTiSn films
Published in Journal of crystal growth (01-06-2017)“…•Ni1+xTiSn films are successfully grown with molecular beam epitaxy.•X-ray diffraction shows (004) peaks that can be fit as two components.•TEM reveals regions…”
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Local Hanle-effect studies of spin drift and diffusion in n:GaAs epilayers and spin-transport devices
Published in New journal of physics (28-09-2007)Get full text
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