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2 MeV PROTON IRRADIATION EFFECTS ONZnOSINGLE CRYSTAL

Author

Listed:
  • T. SECHOGELA

    (Materials Research Department, iThemba LABS-National Research Foundation, Somerset West, Western Cape Province, South Africa;
    UNESCO Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P. O. Box 392, Pretoria, South Africa;
    Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 Old Faure Road, Somerset West 7129, P. O. Box 722, Somerset West, Western Cape Province, South Africa;
    University of Western Cape, Physics Department, Private Bag X17, Bellville 7535, South Africa)

  • L. KOTSEDI

    (Materials Research Department, iThemba LABS-National Research Foundation, Somerset West, Western Cape Province, South Africa;
    UNESCO Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P. O. Box 392, Pretoria, South Africa;
    Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 Old Faure Road, Somerset West 7129, P. O. Box 722, Somerset West, Western Cape Province, South Africa)

  • M. NKOSI

    (Materials Research Department, iThemba LABS-National Research Foundation, Somerset West, Western Cape Province, South Africa)

  • C. SANDT

    (SOLEIL, SIMS Beamline, L'Orme des Merisiers, Saint Aubin, 91192 Gif-sur-Yvette Cedex, France)

  • R. MADJOE

    (UNESCO Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P. O. Box 392, Pretoria, South Africa;
    Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 Old Faure Road, Somerset West 7129, P. O. Box 722, Somerset West, Western Cape Province, South Africa;
    University of Western Cape, Physics Department, Private Bag X17, Bellville 7535, South Africa)

  • W. PRZYBYLOWICZ

    (Materials Research Department, iThemba LABS-National Research Foundation, Somerset West, Western Cape Province, South Africa)

  • K. BHARUTH-RAM

    (Materials Research Department, iThemba LABS-National Research Foundation, Somerset West, Western Cape Province, South Africa)

  • M. MAAZA

    (Materials Research Department, iThemba LABS-National Research Foundation, Somerset West, Western Cape Province, South Africa;
    UNESCO Africa Chair in Nanosciences-Nanotechnology, College of Graduate Studies, University of South Africa, Muckleneuk Ridge, P. O. Box 392, Pretoria, South Africa;
    Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, 1 Old Faure Road, Somerset West 7129, P. O. Box 722, Somerset West, Western Cape Province, South Africa)

Abstract

Melt grownZnOsingle crystal was irradiated with varying fluence of 2 MeV proton beam in the range of1 × 1016H+/cm2to5 × 1017H+/cm2. The irradiated spots exhibited varying degree of discoloration due to the irradiation indicating surface and volume defects. The surface roughness of the irradiated spots was measured using atomic force microscopy indicating surface modification of the sample. The extent of the damage on theZnOsingle crystal from radiation was assessed using Raman spectroscopy. The emergence of theA1(LO)band at 579 cm-1pointed to the significant surface alteration in theZnOcrystal due to proton bombardment.

Suggested Citation

  • T. Sechogela & L. Kotsedi & M. Nkosi & C. Sandt & R. Madjoe & W. Przybylowicz & K. Bharuth-Ram & M. Maaza, 2014. "2 MeV PROTON IRRADIATION EFFECTS ONZnOSINGLE CRYSTAL," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 21(01), pages 1-6.
    • Handle: RePEc:wsi:srlxxx:v:21:y:2014:i:01:n:s0218625x14500127
    DOI: 10.1142/S0218625X14500127
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