Search Results - "Kabos, Pavel"
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Spatially Resolved Persistent Photoconductivity in MoS2–WS2 Lateral Heterostructures
Published in ACS nano (27-10-2020)“…The optical and electronic properties of 2D semiconductors are intrinsically linked via the strong interactions between optically excited bound species and…”
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Near-field control and imaging of free charge carrier variations in GaN nanowires
Published in Applied physics letters (15-02-2016)“…Despite their uniform crystallinity, the shape and faceting of semiconducting nanowires (NWs) can give rise to variations in structure and associated…”
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Electronic and Morphological Inhomogeneities in Pristine and Deteriorated Perovskite Photovoltaic Films
Published in Nano letters (08-03-2017)“…We perform scanning microwave microscopy (SMM) to study the spatially varying electronic properties and related morphology of pristine and degraded…”
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Microscopic origin of inhomogeneous transport in four-terminal tellurene devices
Published in Applied physics letters (21-12-2020)“…Tellurene—the 2D form of elemental tellurium—provides an attractive alternative to conventional 2D semiconductors due to its high bipolar mobilities, facile…”
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Imaging the p-n junction in a gallium nitride nanowire with a scanning microwave microscope
Published in Applied physics letters (30-06-2014)“…We used a broadband, atomic-force-microscope-based, scanning microwave microscope (SMM) to probe the axial dependence of the charge depletion in a p-n junction…”
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Near-field microwave microscope measurements to characterize bulk material properties
Published in Applied physics letters (11-06-2007)“…The authors discuss near-field scanning microwave microscope measurements of the complex permittivity for bulk dielectric (fused silica), semiconductor…”
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Angular momentum and energy transferred through ferromagnetic resonance
Published in Applied physics letters (16-04-2001)“…We show that ferromagnetic resonance (FMR) selectively transfers angular momentum and energy from a microwave field to the lattice as measurable torque and…”
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Determination of Effective Magnetization and Gyromagnetic Ratio of Yttrium Iron Garnet From Multi-Mode Ferromagnetic Resonance S₂₁ Spectra
Published in IEEE transactions on magnetics (01-05-2021)“…We acquire ferromagnetic resonance (FMR) spectra for an out-of-plane magnetized yttrium iron garnet sample with a vector network analyzer at microwave…”
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Understanding Early Failure Behavior in 3D-Interconnects: Empirical Modeling of Broadband Signal Losses in TSV-Enabled Interconnects
Published in IEEE transactions on electron devices (01-11-2022)“…We develop an empirical model for measured frequency-dependent insertion loss (<inline-formula> <tex-math notation="LaTeX">\vert…”
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Determination of Effective Magnetization and Gyromagnetic Ratio of Yttrium Iron Garnet From Multi-Mode Ferromagnetic Resonance S ₂₁ Spectra
Published in IEEE transactions on magnetics (01-05-2021)“…We acquire ferromagnetic resonance (FMR) spectra for an out-of-plane magnetized yttrium iron garnet sample with a vector network analyzer at microwave…”
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Amplification of Microwave Magnetic Envelope Solitons in Thin Yttrium Iron Garnet Films by Parallel Pumping
Published in Physical review letters (02-03-1998)Get full text
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13
Quantum phase modulation with acoustic cavities and quantum dots
Published in Optica (20-05-2022)“…Fast, efficient, and low-power modulation of light at microwave frequencies is crucial for chip-scale classical and quantum processing as well as for…”
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Imaging Carrier Inhomogeneities in Ambipolar Tellurene Field Effect Transistors
Published in Nano letters (13-02-2019)“…The development of van der Waals (vdW) homojunction devices requires materials with narrow bandgaps and simultaneously high hole and electron mobilities for…”
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Imaging of magnetic excitations in nanostructures with near-field microwave microscopy
Published in Journal of magnetism and magnetic materials (15-03-2022)“…We present images of spin-wave excitations in a patterned yttrium iron garnet (YIG) thin film obtained by use of near-field microwave microscopy, which can…”
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Spatially Resolved Persistent Photoconductivity in MoS 2 –WS 2 Lateral Heterostructures
Published in ACS nano (27-10-2020)Get full text
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17
Direct Growth and Fabrication of Tungsten Coated GaN Nanowire Probes on Cantilevers for Scanning Probe Microscopy
Published in Journal of microelectromechanical systems (01-08-2022)“…Gallium nitride nanowires (NWs) grown on silicon-on-insulator wafers by means of selective area epitaxy are directly integrated into scanning probe cantilever…”
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Nanoscale Photoexcited Carrier Dynamics in Perovskites
Published in The journal of physical chemistry letters (17-03-2022)“…The optoelectronic properties of lead halide perovskite thin films can be tuned through compositional variations and strain, but the associated nanocrystalline…”
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Dielectric Characterization by Microwave Cavity Perturbation Corrected for Nonuniform Fields
Published in IEEE transactions on microwave theory and techniques (01-09-2014)“…Nonuniform fields decrease the accuracy of dielectric characterization by microwave cavity perturbation. These fields are due to the slot in the cavity through…”
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Microwave Near-Field Imaging of Two-Dimensional Semiconductors
Published in Nano letters (11-02-2015)“…Optimizing new generations of two-dimensional devices based on van der Waals materials will require techniques capable of measuring variations in electronic…”
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