scholarly journals The density, nanohardness and some optical properties of As–S and As–Se chalcogenide bulk glasses and thin films

RSC Advances ◽  
2020 ◽  
Vol 10 (70) ◽  
pp. 42744-42753
Author(s):  
P. Knotek ◽  
P. Kutálek ◽  
E. Černošková ◽  
M. Vlček ◽  
L. Tichý
Keyword(s):  
Thin Films ◽  
Optical Properties ◽  
Thermal Evaporation ◽  
Melt Quenching ◽  
Vacuum Thermal Evaporation ◽  
Bulk Glasses

Amorphous As2S3, As2Se3 and As1Se99 bulk glasses and thin films were prepared on different substrates by melt quenching technique and vacuum thermal evaporation. The resulting properties were compared.

Compositional, Structural and Morphological Analyses of Bulk GeS Alloy and its Thin Films

2021 ◽  
Vol 1039 ◽  
pp. 398-405
Author(s):  
Munira M.J. Al-Haji ◽  
Raad M.S. Al-Haddad
Keyword(s):  
Electron Microscopy ◽  
Thin Films ◽  
Thermal Evaporation ◽  
Source Material ◽  
Morphological Properties ◽  
X Ray Diffraction ◽  
Melt Quenching ◽  
X Ray ◽  
Vacuum Thermal Evaporation ◽  
Scanning Electron

Bulk Germanium monosulphide (GeS) alloy was synthesized using the usual melt-quenching technique. Its grains were used as the source material to deposit thin films by vacuum thermal evaporation. Thin-films samples were doped with 1, 2, and 3 at.% indium by thermal co-evaporation and annealed in a vacuum at temperatures 373, 473 and 550 K for an hour. Compositional, structural, and morphological properties of the bulk GeS alloy and its thin films were investigated by Energy Dispersive X-Ray Spectroscopy (EDS), X-Ray Diffraction (XRD), and Scanning Electron Microscopy (SEM) techniques. The analyses verified the stoichiometry (GeS) of the starting material in the prepared thin films. They also revealed that the thin films under study are amorphous, homogeneous, without any cracks deposited uniformly on the glass substrate with thickness 650 to 700 nm.

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