Effect of heavy ion irradiation in RbKBrCl quaternary system: EPR study of radiation induced defects

D. Pathinettam Padiyan Department of Physics, Manonmaniam Sundaranar University, Tirunelveli, 627 012, India

C. Muthukrishnan Department of Physics, Manonmaniam Sundaranar University, Tirunelveli, 627 012, India

S. John Ethilton Department of Physics, Manonmaniam Sundaranar University, Tirunelveli, 627 012, India

S. K. Mohanlal School of Physics, Madurai Kamaraj University, Madurai, 625 021, India

S. Dhanuskodi Department of Physics, Bharathidasan University, Tiruchirappalli, 620 024, India

D. Kanjilal Nuclear Science Centre, New Delhi, 110 067, India

K. Asokan Nuclear Science Centre, New Delhi, 110 067, India

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Abstract

Single crystals of RbKBrCl are grown by the melt growth technique and irradiated using the ⁵⁸Ni⁷⁺ ion beam of 100 MeV energy. A single line electron paramagnetic resonance spectrum has been observed for single crystals irradiated with the dose of 10¹⁴ ions/cm². This spectrum shows an angular separation of 10 gauss between maximum and minimum g positions on crystal rotation. A decrease in intensity of the EPR line with time is observed. The radical produced is identified as an electron centre which is tied to the lattice.

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Effect of heavy ion irradiation in RbKBrCl quaternary system: EPR study of radiation induced defects

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Effect of heavy ion irradiation in RbKBrCl quaternary system: EPR study of radiation induced defects

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