Structure of defect cascades in heavy ions-irradiated nickel by X-ray diffuse scattering

H. Maeta; N. Matsumoto; T. Kato; H. Sugai; H. Ohtsuka; M. Sataka

doi:10.1016/j.nimb.2005.08.143

Structure of defect cascades in heavy ions-irradiated nickel by X-ray diffuse scattering

H. Maeta, N. Matsumoto, T. Kato, H. Sugai, H. Ohtsuka, M. Sataka

ENG - Quantum Science and Energy Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

Single crystals of Ni were irradiated with 137 MeV xenon ions (Xe ¹⁰⁺) of fluences up to 4.9 × 10¹³ ions/cm ² below 13 K. After the irradiation, the X-ray cryostat with the specimens was transferred from an irradiation chamber to the X-ray diffraction equipment below 20 K. The results of X-ray diffuse scattering near Bragg reflections at low temperature indicate that the defects are located in cascades and suggest that a small amorphous zone exists within the cascade region. By the thermal annealing at 40 K corresponding to the recovery stage I_A, the defects in the cascades rearrange.

Original language	English
Pages (from-to)	546-549
Number of pages	4
Journal	Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
Volume	242
Issue number	1-2
DOIs	https://doi.org/10.1016/j.nimb.2005.08.143
Publication status	Published - 2006 Jan 1

Keywords

Cryo-transfer
Displacement cascades
Ni single crystal
Radiation effect
X-ray diffuse scattering
Xe ion-irradiation

ASJC Scopus subject areas

Nuclear and High Energy Physics
Instrumentation

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10.1016/j.nimb.2005.08.143

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Structure of defect cascades in heavy ions-irradiated nickel by X-ray diffuse scattering. / Maeta, H.; Matsumoto, N.; Kato, T.; Sugai, H.; Ohtsuka, H.; Sataka, M.

In: Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms, Vol. 242, No. 1-2, 01.01.2006, p. 546-549.

Research output: Contribution to journal › Article › peer-review

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abstract = "Single crystals of Ni were irradiated with 137 MeV xenon ions (Xe 10+) of fluences up to 4.9 × 1013 ions/cm 2 below 13 K. After the irradiation, the X-ray cryostat with the specimens was transferred from an irradiation chamber to the X-ray diffraction equipment below 20 K. The results of X-ray diffuse scattering near Bragg reflections at low temperature indicate that the defects are located in cascades and suggest that a small amorphous zone exists within the cascade region. By the thermal annealing at 40 K corresponding to the recovery stage IA, the defects in the cascades rearrange.",

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AU - Kato, T.

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AU - Ohtsuka, H.

AU - Sataka, M.

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AB - Single crystals of Ni were irradiated with 137 MeV xenon ions (Xe 10+) of fluences up to 4.9 × 1013 ions/cm 2 below 13 K. After the irradiation, the X-ray cryostat with the specimens was transferred from an irradiation chamber to the X-ray diffraction equipment below 20 K. The results of X-ray diffuse scattering near Bragg reflections at low temperature indicate that the defects are located in cascades and suggest that a small amorphous zone exists within the cascade region. By the thermal annealing at 40 K corresponding to the recovery stage IA, the defects in the cascades rearrange.

KW - Cryo-transfer

KW - Displacement cascades

KW - Ni single crystal

KW - Radiation effect

KW - X-ray diffuse scattering

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Structure of defect cascades in heavy ions-irradiated nickel by X-ray diffuse scattering

Abstract

Keywords

ASJC Scopus subject areas

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