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Optical, surface and magnetic properties of the Ti-doped GaN nanosheets on glass and PET substrates by thermionic vacuum arc (TVA) method

Date

2019

Author

Pat S.
Korkmaz Ş.
Özen S.
Şenay V.

Metadata

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Abstract

Room-temperature ferromagnetism of GaN and doped GaN materials has been reported in nanostructured form. Especially, nanoparticles show ferromagnetic properties at room temperature. In this paper, Ti-doped effects on GaN were deposited on glass and Polyethylene terephthalate (PET) substrates by thermionic vacuum arc and their room temperature magnetic properties are presented for the first time. The structure of the Ti-doped GaN was crystallized in a novel form, nano honeycomb formation. Optical and surface properties of the nano honeycombs and honeycomb nanosheets were determined. GaN and TiN phases were detected in X-ray diffraction patterns. Field emission scanning electron microscopy (FESEM) and atomic force microscopy (AFM) device were used for imaging of the crystal structure. According to FESEM images, hexagonal crystal formations were detected for all samples. Crystal formations are very good oriented on PET substrates materials according to glass samples. The band gap value of the sample is changed by crystallization dimension. It was found that increasing crystallizations and decreasing crystal dimensions were increased the band gap of the Ti-doped GaN approximately 50 meV. Fourier transform infrared spectra and a vibrating sample magnetometer results were presented. These results confirm the Ti doped GaN honeycomb nanosheets and nano honeycombs show the room temperature ferromagnetic properties. © 2017, © 2017 Taylor & Francis.

Source

Particulate Science and Technology

Volume

37

Issue

3

URI

https://dx.doi.org/10.1080/02726351.2017.1368753
https://hdl.handle.net/20.500.12403/303

Collections

  • Scopus İndeksli Yayınlar Koleksiyonu [570]
  • WoS İndeksli Yayınlar Koleksiyonu [372]

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  • The influence of voltage applied between the electrodes on optical and morphological properties of the InGaN thin films grown by thermionic vacuum arc 

    Özen S.; Şenay V.; Pat S.; Korkmaz Ş. (John Wiley and Sons Inc., 2016)
    The aim of this research is to investigate the optical and morphological properties of the InGaN thin films deposited onto amorphous glass substrates in two separate experiments with two different voltages applied between ...
  • GaN thin film deposition on glass and PET substrates by thermionic vacuum arc (TVA) 

    Pat S.; Korkmaz Ş.; Özen S.; Şenay V. (Elsevier Ltd, 2015)
    In this paper, GaN thin film production was realized by thermionic vacuum arc (TVA), a plasma deposition technique, for the first time. We present a new deposition mechanism for GaN thin films with a very short production ...
  • Deposition of a Mo doped GaN thin film on glass substrate by thermionic vacuum arc (TVA) 

    Özen S.; Şenay V.; Pat S.; Korkmaz Ş. (Springer New York LLC, 2015)
    Current research presents a new deposition method for GaN thin films that produces in a very short production time for GaN-based solid-state applications. A Mo doped GaN thin film on a glass substrate was produced by ...



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