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Your search keyword '"Oyama, H."' showing total 18 results
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18 results on '"Oyama, H."'

9. Gated-Diode Study of Corner and Peripheral Leakage Current in High-Energy Neutron Irradiated Silicon P-N Junctions.

Author

Czerwinski, A., Simoen, E., Poyai, A., Claeys, C., and Oyama, H.

Subjects
DIODES, NEUTRONS, IRRADIATION, SILICON
Abstract

Presents a study that investigated gated-diode of corner and peripheral leakage current in high-energy neutron irradiated silicon positive-negative junctions. Experimental details; Results and discussion; Conclusion.

Published
2003
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10. Effects of Flux Dam on Low-Frequency Noise in High-T[sub c] SQUID Magnetometers.

Author

Oyama, H., Kuriki, S., and Matsuda, M.

Subjects
*MAGNETOMETERS, *SUPERCONDUCTING quantum interference devices, *MAGNETIC flux, *ELECTRIC noise
Abstract

Studies the effects of flux dam on low-frequency noise in high temperature superconducting quantum interference device (SQUID) magnetometers. SQUID design and fabrication; Noise reduction by slot formation in flux dams; Contribution of vortex motion to low-frequency noise.

Published
2001
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11. Direct Detection of Vortex Motion in High-T[sub c] Grain Boundary Junctions.

Author

Hirano, S., Oyama, H., Matsuda, M., Morooka, T., Nakayama, S., and Kuriki, S.

Subjects
*MAGNETIC flux, *VORTEX motion, *CRYSTAL grain boundaries, *THIN films
Abstract

Studies the magnetic flux generated by vortices in a field-cooled wide grain boundary junction of yttrium barium copper oxide thin film. Estimation of vortex displacements; Flux noise of a directly coupled superconducting quantum intereference device magnetometer; Suppression of the long-distance motion of vortices.

Published
2001
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12. High-Tc SQUID Magnetometers for Use in Moderate Magnetically-Shielded Room.

Author

Matsuda, M., Ono, S., Kato, K., Matsuura, T., Oyama, H., Hayashi, A., Hirano, S., Kuriki, S., and Yokosawa, K.

Subjects
SUPERCONDUCTING quantum interference devices, MAGNETOMETERS
Abstract

Examines high temperature planar superconducting quantum interference device (SQUID) magnetometers and first derivative gradiometers with directly-coupled pickup loops. Design and fabrication; Magnetic properties; Suitability for biomagnetic applications; Sensitivity to the homogeneous field of the SQUID.

Published
2001
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13. Transmission line high-Tc dc-SQUIDs.

Author

Kuriki, S. and Oyama, H.

Subjects
*SUPERCONDUCTING quantum interference devices, *STRIP transmission lines
Abstract

Discusses the design and fabrication of yttrium barium copper oxide direct current superconducting quantum interference device with transmission line-like geometry of thin parallel strips. Current-voltage characteristics; Flux coupling efficiency; Magnetometer design and configuration.

Published
1999
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