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Molybdenum thin films via pulsed laser deposition technique for first mirror application

Published online by Cambridge University Press:  25 September 2012

A.T.T. Mostako  and
Alika Khare
A.T.T. Mostako
Affiliation:
Laser and Photonics laboratory, Department of Physics, Indian Institute of Technology Guwahati, Guwahati, India
Alika Khare*
Affiliation:
Laser and Photonics laboratory, Department of Physics, Indian Institute of Technology Guwahati, Guwahati, India
*
Address correspondence and reprint requests to: Alika Khare, Department of physics, Indian Institute of Technology Guwahati, Guwahati-781039, India. E-mail: [email protected]
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Abstract

Mirror like Molybdenum thin films on SS substrate in vacuum (10−3 Pa) and in Helium environment has been achieved by Pulsed Laser Deposition (PLD) Technique. The PLD thin films of Molybdenum have been characterized by using X-ray Diffraction (XRD) pattern, Scanning Electron Microscope (SEM), Atomic Force Microscope (AFM) and Energy Dispersive X-ray (EDX). The specular reflectivity was recorded with Fourier Transform Infra-Red spectrometer and UV-Visible spectrometer. The optical quality of the thin films was tested via interferometric technique. At the optimum deposition parameters, the crystal orientation was in Mo(110) phase. The FIR-UV-Visible reflectivity of the mirror was found to be closed to that of the polished bulk Molybdenum and Stainless Substrate (SS) substrate.

Keywords

First mirrorMolybdenumPulsed laser depositionReflectivityThin films
Type
Research Article
Information
Laser and Particle Beams , Volume 30 , Issue 4 , December 2012 , pp. 559 - 567
Copyright
Copyright © Cambridge University Press 2012

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