Light Induced Modification of Graphene Oxide Layers on GaN Basis

• Authors: A. Łopion , L. Stobiński , K. Pakuła , R. Bożek , P. Kaźmierczak , A. Wysmołek , R. Stępniewski
• Languages of publication: EN

Abstracts

EN

Graphene oxide suspension in various solvents was spin coated on metal organic vapor phase epitaxy grown GaN/saphire layers. Samples were characterised using the Raman spectroscopy and atomic force microscopy, before and after high temperature treatment. We found that graphene oxide was modifed by high temperature treatment, however a considerable modification was also observed as a result of impinged laser light incident due to the measurements. The Raman spectra were decomposed into two contributions showing different behaviour during the Raman scattering measurements.

Keywords

EN

73.22.-f; 78.55.-m; 78.30.-j; 07.05.Kf

Discipline

• 73.22.-f: Electronic structure of nanoscale materials and related systems
• 78.30.-j: Infrared and Raman spectra(for vibrational states in crystals and disordered systems, see 63.20.-e and 63.50.-x, respectively; for Raman spectra of superconductors, see 74.25.nd)
• 78.55.-m: Photoluminescence, properties and materials(for time resolved luminescence, see 78.47.jd)
• 07.05.Kf: Data analysis: algorithms and implementation; data management(for data analysis in nuclear physics, see 29.85.-c)

• Journal: Acta Physica Polonica A
• Year: 2016
• Volume: 130
• Issue: 5
• Pages: 1169-1171

Dates

published

2016-11

Contributors

author

A. Łopion

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warsaw, Poland

author

L. Stobiński

• Faculty of Chemical and Process Engineering, Warsaw University of Technology, L. Waryńskiego 1, 00-645 Warsaw, Poland

author

K. Pakuła

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warsaw, Poland

author

R. Bożek

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warsaw, Poland

author

P. Kaźmierczak

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warsaw, Poland

author

A. Wysmołek

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warsaw, Poland

author

R. Stępniewski

• Faculty of Physics, University of Warsaw, L. Pasteura 5, 02-093 Warsaw, Poland

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Identifiers

DOI

10.12693/APhysPolA.130.1169