4.0 Article

Study of gamma ray energy absorption and exposure buildup factors for ferrites by geometric progression fitting method

Journal

RADIATION EFFECTS AND DEFECTS IN SOLIDS
Volume 173, Issue 3-4, Pages 329-338

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1080/10420150.2018.1439492

Keywords

Gamma ray; metal ferrites; energy absorption buildup factor; energy exposure buildup factor; radiation dosimetry

Funding

  1. University Grant Commission UGC, New Delhi [F1-17.1/2016-17/RGNF-2015-17-SC-MAH-1251/(SA-III/Website), F.4-2/2006(BSR)/CH/16-17/0015]

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The gamma ray energy absorption and exposure buildup factors (EABF and EBF) were calculated for ferrites such as cobalt ferrite (CoFe2O4), zinc ferrite (ZnFe2O4), nickel ferrite (NiFe2O4) and magnesium ferrite (MgFe2O4) using five parametric geometric progression (G-P fitting) formula in the energy range 0.015-15.00MeV up to the penetration depth 40 mean free path (mfp). The obtained data of absorption and exposure buildup factors have been studied as a function of incident photon energy and penetration depth. The obtained EABF and EBF data are useful for radiation dosimetry and radiation therapy.

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