Tailoring the properties of spray deposited V2O5 thin fi lms using swift heavy ion beam irradiation

R. Rathika; M. Kovendhan; D. Paul Joseph; Rekha Pachaiappan; A. Sendil Kumar; K. Vijayarangamuthu; C. Venkateswaran; K. Asokan; S. Johnson Jeyakumar

doi:https://doi.org/10.1016/j.net.2020.04.013

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자료유형: 학술저널

저자정보: R. Rathika (Department of Physics, TBML College) M. Kovendhan (Department of Nuclear Physics, University of Madras) D. Paul Joseph (Department of Physics, National Institute of Technology) Rekha Pachaiappan (Department of Physics, Adhiyaman Arts and Science College for Women) A. Sendil Kumar (Department of Physics, Koneru Lakshmaiah Education Foundation, Vaddeswaram) K. Vijayarangamuthu (f Center for Nanoscience and Technology, Pondicherry University) C. Venkateswaran (b Department of Nuclear Physics, University of Madras) K. Asokan (Inter University Accelerator Centre, Aruna Asaf Ali Marg) S. Johnson Jeyakumar (Department of Physics, TBML College)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제52권 제11호

발행연도: 2020.11

수록면: 2,585 - 2,593 (9page)

DOI: https://doi.org/10.1016/j.net.2020.04.013

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Swift heavy ion (SHI) beam irradiation can generate desirable defects in materials by transferring sufficient energy to the lattice that favours huge possibilities in tailoring of materials. The effect of Ag15þ ionirradiation with energy 200 MeV on spray deposited V2O5 thin films of thickness 253 nm is studied atvarious ion doses from 5 1011 to 1 1013 ions/cm2. The XRD results of pristine film confirmedorthorhombic structure of V2O5 and its average crystallite size was found to be 20 nm. The peak at394 cm1 in Raman spectra confirmed OeVeO bonding of V2O5, whereas 917 cm1 arise because ofdistortion in stoichiometry by a loss of oxygen atoms. Raman peaks vanished completely above the ionfluence of 5 1012 ions/cm2. Optical studies by UVeVis spectroscopy shows decrement in transmittancewith an increase in ion fluence up to 5 1012 ions/cm2. The red shift is observed both in the direct andindirect band gaps until 5 1012 ions/cm2. The surface topography of the pristine film revealed sheathlike structure with randomly distributed spherical nano-particles. The roughness of film decreased andthe density of spherical nanoparticles increased upon irradiation. Irradiation improved the conductivitysignificantly for fluence 5 1011 ions/cm2 due to band gap reduction and grain growth

#Ion beam irradiation #V2O5 thin films #Spray coatings #Optical materials and properties #Radiation damage

참고문헌 (19)

참고문헌 신청

K. A. Aly / 2011 / Optical properties of Ge-As-Te thin films / Phys. B Condens. Matter 406:4227~4232

A. S. Hassanien / 2016 / Effect of Se addition on optical and electrical properties of chalcogenide CdSSe thin films / Superlattice. Microst 89:153~169

F.A. Mir / 2016 / Effect of Ni and Au ion irradiations on structural and optical properties of nanocrystalline Sb-doped SnO 2 thin films / Appl. Phys. A 122(1-7):418

H. S. Zhang / 2008 / Comparative surface and nano-tribological characteristics of nanocomposite diamond-like carbon thin films doped by silver / Appl. Surf. Sci 255:2551~2556

D. S. Rana / 2009 / Nano/micro surface structural study of swift heavy ions irradiated PVDF Films by AFM / Optoelectron. Adv. Mater. e RAPID Commun 3:737~743

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