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Journal Articles

Partial recovery of the magnetoelectrical properties of AlGaN/GaN-based micro-Hall sensors irradiated with protons

Abderrahmane, A.*; Tashiro, Tatsuya*; Takahashi, Hiroki*; Ko, P. J.*; Okada, Hiroshi*; Sato, Shinichiro; Oshima, Takeshi; Sandhu, A.*

Applied Physics Letters, 104(2), p.023508_1 - 023508_4, 2014/01

 Times Cited Count:4 Percentile:75.8(Physics, Applied)

The effect of annealing on the magnetoelectrical properties of proton-irradiated micro-Hall sensors at an energy of 380 keV and very high proton fluences was studied. Recovery of the electron mobility and a decrease in the sheet resistance of the annealed micro-Hall sensors, as well as an enhancement in their magnetic sensitivity were reported. Trap removal and an improvement in the crystal quality by removing defects were confirmed through current-voltage measurements and Raman spectroscopy, respectively.

Journal Articles

Effect of proton irradiation on AlGaN/GaN micro-Hall sensors

Abderrahmane, A.*; Koide, Shota*; Okada, Hiroshi*; Takahashi, Hiroki*; Sato, Shinichiro; Oshima, Takeshi; Sandhu, A.*

Applied Physics Letters, 102(19), p.193510_1 - 193510_4, 2013/05

 Times Cited Count:6 Percentile:66.67(Physics, Applied)

The magnetoelectric properties of AlGaN/GaN micro-Hall effect sensors were studied after 380 keV proton irradiation. After irradiation the current-voltage measurements, stability of the magnetic sensitivity of the sensors, and the sheet electron density were degraded with a dramatic decrease of the electron mobility at high temperatures. Raman spectroscopy showed a degradation in the crystalline quality of GaN crystal, but there was no change in the strain.

JAEA Reports

Measurement of profile and intensity of proton beam by an integrated current transformer and a segmented parallel-plate ion chamber for the AGS-Spallation Target Experiment (ASTE)

Meigo, Shinichiro; Nakashima, Hiroshi; Takada, Hiroshi; Kasugai, Yoshimi; Ino, Takashi*; Maekawa, Fujio; Hastings, J.*; Watanabe, Noboru; Oyama, Yukio; Ikeda, Yujiro

JAERI-Data/Code 2001-014, 23 Pages, 2001/03

JAERI-Data-Code-2001-014.pdf:1.55MB

no abstracts in English

Journal Articles

R$$_{N}$$ and N centers in NaF crystals irradiated with protons at liquid nitrogen temperature

Ozawa, K.; *

Phys.Lett., 27A(7), p.443 - 444, 1968/00

no abstracts in English

Journal Articles

Anomalous energy losses of 1.5MeV protons channeled in silicon single crystals

Ozawa, K.; *; *

Phys.Lett.,A, 26A(5), p.201 - 202, 1968/00

no abstracts in English

Journal Articles

High resolution nuclear magnetic resonance spectra of ring protons in substituted bezenes

; Hayakawa, Naohiro

Bulletin of the Chemical Society of Japan, 33(8), p.1128 - 1132, 1960/00

 Times Cited Count:18

no abstracts in English

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