Study on the Structural and Electrical Properties of Sequentially Deposited Ag-Ga-In-Te Thin Films

2015-02-01
Coskun, EMRE
Gullu, H. H.
Parlak, Mehmet
Ercelebi, C.
The structural properties and electrical conduction mechanisms of Ag-Ga-In-Te thin films deposited by a combination of e-beam and thermal evaporation methods were studied for various annealing temperatures. Structural analysis showed the existence of InTe and InTe binary phases at the early stage of crystallization and monophase of AgGaInTe with the main orientation along (112) direction following the post-annealing at 400 C. The effects of the structural changes on electrical properties and temperature dependence of the electrical conductivity of Ag-Ga-In-Te thin films were studied in the temperature range of 90-400 K. The analysis of electrical conductivity revealed the Efros-Shklovskii variable range hopping (VRH) mechanism in between 90 and 210 K and Mott VRH mechanisms for the temperature range of 250-400 K for all deposited films. The VRH parameters including average hopping distance, average hopping energy and characteristic temperature coefficient for Efros-Shklovskii and Mott VRH mechanisms were determined and discussed in detail.
JOURNAL OF LOW TEMPERATURE PHYSICS

Suggestions

Investigation of physical properties of quaternary AgGa0.5In0.5Te2 thin films deposited by thermal evaporation
Karaagac, H.; Parlak, Mehmet (Elsevier BV, 2010-8)
The aim of this study is to understand the structural, optical and photo-electrical properties of the quaternary chalcogenide AgGa 0.5In0.5Te2 thin films deposited onto the glass substrates by thermal evaporation of the single crystalline powder. Energy dispersive X-ray analysis (EDXA) showed remarkable change in atomic percentage of the constituent elements after annealing. The X-ray diffraction (XRD) of the films below the annealing temperature of 300°C indicated the polycrystalline structure with co-exis...
Investigation of structural and optical parameters of Cu-Ag-In-Se thin films deposited by thermal evaporation method
Gullu, H. H.; CANDAN, İDRİS; COŞKUN, EMRE; Parlak, Mehmet (2015-01-01)
Annealing effect on the structural and optical properties of the quaternary Cu-Ag-In-Se thin film deposited by the thermal evaporation has been investigated. The evaporation source was prepared by using vertical Bridgman-Stockbarger crystal growth system. Structural analysis indicated that annealing the films following to the deposition resulted in the changes from amorphous to polycrystalline phase with the preferred orientation along (1 1 2) direction. In order to determine the optical properties of the t...
Studies on device properties of an n-AgIn5Se8/p-Si heterojunction diode
KALELİ, Murat; Parlak, Mehmet; Ercelebi, C. (2011-10-12)
In this study, polycrystalline thin films of ternary AgIn5Se8 compounds with n-type conductivity were deposited on p-type Si substrates from the powder of a Ag3In5Se9 single crystal by a thermal evaporation technique. Transport and photo-transport properties of the In/n-AgIn5Se8/p-Si/Al sandwich structure were investigated by analyzing temperature-dependent dc current-voltage (I-V), and photo-response measurements carried out in the temperature range of 200-360 K. In order to obtain the series resistance (R...
Investigation of optical parameters of thermally evaporated ZnSe thin films
Gullu, H. H.; Coşkun, Emre; Parlak, Mehmet (2015-04-29)
In this work, zinc selenide (ZnSe) thin films were deposited by thermal evaporation method using pure elemental (Zn and Se) sources. The physical properties of the films have been investigated in terms of the structural and optical characterizations depending on the post-annealing process under nitrogen atmosphere in the temperature between 300 and 500 degrees C for 30 min. The structural and compositional analyses were carried out by means of X-ray diffraction (XRD) and energy dispersive X-ray spectroscopy...
An experimental investigation on performance of annular fins on a horizontal cylinder in free convection heat transfer
Yildiz, S; Yüncü, Hafit (Springer Science and Business Media LLC, 2004-02-01)
Natural convection heat transfer in annular fin-arrays mounted on a horizontal cylinder was experimentally investigated. An experimental set-up was constructed to investigate heat transfer characteristics of 18 sets of annular fin-arrays mounted on a horizontal cylinder of 24.9-mm diameter in atmospheric conditions. Keeping the fin thickness fixed at 1 mm, fin diameter is varied from 35 mm to 125 mm and fin spacing is varied from 3.6 mm to 31.7 mm. The base-to-ambient temperature difference was also varied ...
Citation Formats
E. Coskun, H. H. Gullu, M. Parlak, and C. Ercelebi, “Study on the Structural and Electrical Properties of Sequentially Deposited Ag-Ga-In-Te Thin Films,” JOURNAL OF LOW TEMPERATURE PHYSICS, pp. 162–173, 2015, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/47564.