Misconstructural Damage of GaP Crystal Irradiated by <sup>56</sup>Fe<sup>13+</sup>

CHEN Xiaoxu; SUN Aimin; SONG Yin; ZHANG Chonghong; YANG Yitao

doi:10.11804/NuclPhysRev.34.04.811

The Misconstructural damage of GaP irradiated with ⁵⁶Fe¹³⁺ to fluences ranging from 1×10⁷ ions/cm²~1×10¹⁰ ions/cm² were analyzed by X-ray diffraction (XRD) techniques, Fourier transform infrared spectroscopy (FTIR) and Raman spectroscopy. The result shows that, with the increase of irradiation ion fluences, local disorder and defects were produced in GaP crystal. With the increase of ion fluence, Raman spectra reveal the intensity of scattering peaks gradually weakens and some scattering peaks gradually disappear, however no changes in the peak position were found. XRD measurement displays that the intensity of diffraction peaks gradually decreases with an increase in ions fluences. Result from FTIR spectra exhibits that the intensity of reflection peaks gradually increases and the FWHM of reflection peaks broadens. These phenomena indicate that, the irradiation of heavy-ion Fe produces defects and disorder in GaP crystal, leading to a local amorphization.

Misconstructural Damage of GaP Crystal Irradiated by ⁵⁶Fe¹³⁺

1. Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;

2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

Funds: National Natural Science Foundation of China(1103Y623010)

Received Date: 2016-10-21

Rev Recd Date: 2017-03-20

Publish Date: 2017-12-20

Key words:

Abstract: The Misconstructural damage of GaP irradiated with ⁵⁶Fe¹³⁺ to fluences ranging from 1×10⁷ ions/cm²~1×10¹⁰ ions/cm² were analyzed by X-ray diffraction (XRD) techniques, Fourier transform infrared spectroscopy (FTIR) and Raman spectroscopy. The result shows that, with the increase of irradiation ion fluences, local disorder and defects were produced in GaP crystal. With the increase of ion fluence, Raman spectra reveal the intensity of scattering peaks gradually weakens and some scattering peaks gradually disappear, however no changes in the peak position were found. XRD measurement displays that the intensity of diffraction peaks gradually decreases with an increase in ions fluences. Result from FTIR spectra exhibits that the intensity of reflection peaks gradually increases and the FWHM of reflection peaks broadens. These phenomena indicate that, the irradiation of heavy-ion Fe produces defects and disorder in GaP crystal, leading to a local amorphization.

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Misconstructural Damage of GaP Crystal Irradiated by ⁵⁶Fe¹³⁺

doi: 10.11804/NuclPhysRev.34.04.811

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通讯作者: 陈斌, bchen63@163.com

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Misconstructural Damage of GaP Crystal Irradiated by ⁵⁶Fe¹³⁺

doi: 10.11804/NuclPhysRev.34.04.811

1. Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;

2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

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Misconstructural Damage of GaP Crystal Irradiated by 56Fe13+

doi: 10.11804/NuclPhysRev.34.04.811

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Article Metrics

Proportional views

Misconstructural Damage of GaP Crystal Irradiated by 56Fe13+

doi: 10.11804/NuclPhysRev.34.04.811

1. Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China; 2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China

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Misconstructural Damage of GaP Crystal Irradiated by ⁵⁶Fe¹³⁺

Misconstructural Damage of GaP Crystal Irradiated by ⁵⁶Fe¹³⁺

1. Key Laboratory of Atomic and Molecular Physics & Functional Materials of Gansu Province, College of Physics and Electronic Engineering, Northwest Normal University, Lanzhou 730070, China;

2. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China