Search Results - "Uruma, Takeshi"
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Imaging of an Electret Film Fabricated on a Micro-Machined Energy Harvester by a Kelvin Probe Force Microscope
Published in IEEE transactions on instrumentation and measurement (2022)“…An imaging method for a highly charged material using a Kelvin probe force microscope (KFM) was developed. Energy harvesters generate electric energy from the…”
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Journal Article -
2
Investigation of an n− layer in a silicon fast recovery diode under applied bias voltages using Kelvin probe force microscopy
Published in Japanese Journal of Applied Physics (01-08-2018)“…We have imaged an n− layer of a commercial silicon fast recovery diode (Si-FRD) under applied bias voltages using frequency modulation atomic force microscopy…”
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Journal Article -
3
Development of atomic force microscopy combined with scanning electron microscopy for investigating electronic devices
Published in AIP advances (01-11-2019)“…Atomic force microscopy (AFM) was combined with scanning electron microscopy (SEM) to investigate electronic devices. In general, under observation using an…”
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Journal Article -
4
Nanoscale observation of organic thin film by atomic force microscopy
Published in Japanese Journal of Applied Physics (01-08-2017)“…Organic photovoltaics (OPVs) fabricated using organic semiconductors and hybrid solar cells (HSCs) based on organic semiconductors/quantum dots (QDs) have been…”
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Journal Article -
5
Evaluation of carrier concentration reduction in GaN-on-GaN wafers by Raman spectroscopy and Kelvin force microscopy
Published in Japanese Journal of Applied Physics (01-08-2017)“…The carrier concentration in a gallium nitride (GaN) substrate of a GaN-on-GaN wafer grown by hydride vapor phase epitaxy (HVPE) was evaluated by Raman…”
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Journal Article -
6
Investigation of the depletion layer by scanning capacitance force microscopy with Kelvin probe force microscopy
Published in Japanese Journal of Applied Physics (01-08-2016)“…We have developed a scanning probe microscope (SPM) that combines atomic force microscopy (AFM) with both Kelvin probe force microscopy (KFM - to measure the…”
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Journal Article -
7
Observation of silicon carbide Schottky barrier diode under applied reverse bias using atomic force microscopy/Kelvin probe force microscopy/scanning capacitance force microscopy
Published in Japanese Journal of Applied Physics (01-08-2017)“…We have observed a commercial silicon-carbide Schottky barrier diode (SiC-SBD) using our novel analysis system, in which atomic force microscopy (AFM) is…”
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Journal Article -
8
Surface Potential Measurement of a Silicon Fast Recovery Diode under Applied Bias Voltages by Kelvin Probe Force Microscopy
Published in 2018 International Symposium on Micro-NanoMechatronics and Human Science (MHS) (01-12-2018)“…We have measured a semiconductor region of a commercial silicon fast recovery diode (Si-FRD) under applied bias voltages by frequency modulation atomic force…”
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Conference Proceeding -
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Investigation on the surface potential and the depletion layer of Si-Schottky barrier diode - Evaluation by numerical calculation
Published in 2016 19th International Conference on Electrical Machines and Systems (ICEMS) (01-11-2016)“…Spatiotemporal variations of carrier density and potential in silicon-Schottky barrier diode (Si-SBD) have been simulated using a self-consistent spatially…”
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Conference Proceeding -
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Investigation of the surface potential and the depletion layer of Silicon-Schottky barrier diode - Evaluation by scanning probe microscopy
Published in 2016 19th International Conference on Electrical Machines and Systems (ICEMS) (01-11-2016)“…We have developed a scanning-probe microscope (SPM) that combines atomic-force microscopy (AFM) with both Kelvin-probe force microscopy (KFM - to measure the…”
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Conference Proceeding