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Radiosensitivity Detection of Gamma Radiation by Using (In2O3)0.1(TeO2)0.9 Thin Films for Clinical Radio-Image

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Abstract

To study the detecting radiosensitvie of (In2O3)0.1(TeO2)0.9 thin films irradiated by gamma rays. Materials and Methods: The effects of gamma irradiation of various levels on the current-voltage characteristics for the (In2O3)0.1(TeO2)0.9 thin films, prepared by thermal evaporation in vacuum. The current increases linearly with the gamma radiation dose up to certain dose and decreases thereafter. The sensitivity of these thin films, at different applied voltages in the range 0–4.8 V, has been found to be in the range 35–190 mA/cm 2/Gy. Correspondingly, the minimum measurable dose has been found to be in the range 0.05–0.26 mGy. The values of the sensitivity are reasonably high in comparison to the commercially available gamma radiation dosimeters, revealing high scope for further developments.

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Authors and Affiliations

  1. Department of Orthopedics, 2nd Hospital of Lanzhou University, 730030, Lanzhou, China

    Chenjun Zhang

  2. Department of Pharmaceutical Sciences, 2nd Hospital of Lanzhou University, 730030, Lanzhou, China

    Hengli Niu

  3. Department of Nuclear Medicine, 2nd Hospital of Lanzhou University, 730030, Lanzhou, China

    Lu Wang

  4. Carbon Ion Radiotherapy Center, Institute of Modern Physics, Chinese Academy of Sciences, 730000, Lanzhou, China

    Jianshe Yang

Authors
  1. Chenjun Zhang
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  2. Hengli Niu
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  3. Lu Wang
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  4. Jianshe Yang
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Correspondence to Chenjun Zhang.

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Chenjun Zhang, Niu, H., Wang, L. et al. Radiosensitivity Detection of Gamma Radiation by Using (In2O3)0.1(TeO2)0.9 Thin Films for Clinical Radio-Image. J. Surf. Investig. 12, 1294–1297 (2018). https://doi.org/10.1134/S1027451018050725

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  • DOI: https://doi.org/10.1134/S1027451018050725

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