Search Results - "Avsar, Ahmet"
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Thickness-modulated metal-to-semiconductor transformation in a transition metal dichalcogenide
Published in Nature communications (02-03-2018)“…The possibility of tailoring physical properties by changing the number of layers in van der Waals crystals is one of the driving forces behind the emergence…”
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Polarization switching and electrical control of interlayer excitons in two-dimensional van der Waals heterostructures
Published in Nature photonics (01-02-2019)“…The long-lived interlayer excitons in van der Waals heterostructures based on transition-metal dichalcogenides, together with unique spin–valley physics, make…”
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3
Valley-polarized exciton currents in a van der Waals heterostructure
Published in Nature nanotechnology (01-12-2019)“…Valleytronics is an appealing alternative to conventional charge-based electronics that aims at encoding data in the valley degree of freedom, that is, the…”
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Logic-in-memory based on an atomically thin semiconductor
Published in Nature (London) (05-11-2020)“…The growing importance of applications based on machine learning is driving the need to develop dedicated, energy-efficient electronic hardware. Compared with…”
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Defect induced, layer-modulated magnetism in ultrathin metallic PtSe2
Published in Nature nanotechnology (01-07-2019)“…Defects are ubiquitous in solids and often introduce new properties that are absent in pristine materials. One of the opportunities offered by these crystal…”
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Direct observation of water-mediated single-proton transport between hBN surface defects
Published in Nature nanotechnology (01-07-2020)“…Aqueous proton transport at interfaces is ubiquitous and crucial for a number of fields, ranging from cellular transport and signalling, to catalysis and…”
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7
Probing magnetism in atomically thin semiconducting PtSe2
Published in Nature communications (23-09-2020)“…Atomic-scale disorder in two-dimensional transition metal dichalcogenides is often accompanied by local magnetic moments, which can conceivably induce…”
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Air-Stable Transport in Graphene-Contacted, Fully Encapsulated Ultrathin Black Phosphorus-Based Field-Effect Transistors
Published in ACS nano (28-04-2015)“…The presence of direct bandgap and high mobility in semiconductor few-layer black phosphorus offers an attractive prospect for using this material in future…”
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Resolving the spin splitting in the conduction band of monolayer MoS2
Published in Nature communications (05-12-2017)“…Time-reversal symmetry and broken spin degeneracy enable the exploration of spin and valley quantum degrees of freedom in monolayer transition-metal…”
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10
Electrical spectroscopy of defect states and their hybridization in monolayer MoS2
Published in Nature communications (03-01-2023)“…Defects in solids are unavoidable and can create complex electronic states that can significantly influence the electrical and optical properties of…”
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Toward Wafer Scale Fabrication of Graphene Based Spin Valve Devices
Published in Nano letters (08-06-2011)“…We demonstrate injection, transport, and detection of spins in spin valve arrays patterned in both copper based chemical vapor deposition (Cu-CVD) synthesized…”
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Electronic spin transport in dual-gated bilayer graphene
Published in NPG Asia materials (01-06-2016)“…The elimination of extrinsic sources of spin relaxation is key to realizing the exceptional intrinsic spin transport performance of graphene. Toward this, we…”
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Highly anisotropic van der Waals magnetism
Published in Nature materials (01-07-2022)“…Ultrathin CrSBr, a two-dimensional magnet, has been shown to exhibit very rich magnetic behaviours, from an unexpected magnetic order to optical emissions…”
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14
Room-temperature electrical control of exciton flux in a van der Waals heterostructure
Published in Nature (London) (01-08-2018)“…Devices that rely on the manipulation of excitons—bound pairs of electrons and holes—hold great promise for realizing efficient interconnects between optical…”
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15
Excitonic devices with van der Waals heterostructures: valleytronics meets twistronics
Published in Nature reviews. Materials (31-01-2022)“…2D semiconducting transition metal dichalcogenides comprise an emerging class of materials with distinct properties, including large exciton binding energies…”
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16
Gate-tunable black phosphorus spin valve with nanosecond spin lifetimes
Published in Nature physics (01-09-2017)“…Two-dimensional materials offer new opportunities for both fundamental science and technological applications, by exploiting the electron’s spin. Although…”
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Optospintronics in Graphene via Proximity Coupling
Published in ACS nano (28-11-2017)“…The observation of micrometer size spin relaxation makes graphene a promising material for applications in spintronics requiring long-distance spin…”
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18
Highly anisotropic spin transport in ultrathin black phosphorus
Published in Nature materials (01-04-2024)“…In anisotropic crystals, the direction-dependent effective mass of carriers can have a profound impact on spin transport dynamics. The puckered crystal…”
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Engineering Optically Active Defects in Hexagonal Boron Nitride Using Focused Ion Beam and Water
Published in ACS nano (22-03-2022)“…Hexagonal boron nitride (hBN) has emerged as a promising material platform for nanophotonics and quantum sensing, hosting optically active defects with…”
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van der Waals Bonded Co/h-BN Contacts to Ultrathin Black Phosphorus Devices
Published in Nano letters (13-09-2017)“…Because of the chemical inertness of two dimensional (2D) hexagonal-boron nitride (h-BN), few atomic-layer h-BN is often used to encapsulate air-sensitive 2D…”
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