Searching for refractory plasmonic materials: the structural and optical properties of Au3Zr intermetallic thin films

Abstract Optical properties of refractory intermetallic thin films of Au 3 Zr were experimentally investigated for the first time, which show distinctive plasmonic properties in the visible and near infrared region. The films were fabricated through DC magnetron sputtering at various deposition temperature ranging from room temperature to 427°C and annealed at different vacuum levels. Both the structural and optical properties are found to be critically dependent on deposition temperature and anneal conditions. Films deposited between 205-320°C are shown to exhibit lower negative permittivity and better thermal stability, which could be linked to specific crystalline orientations. The films are stable when annealed at 10 -8 Torr, but are partially oxidized when annealed at 10 -6 Torr, suggesting oxidization could be a restricting issue for high-temperature applications in ambient environment.

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Effect of substrate temperature on the structural and optical properties of ZnO and Al-doped ZnO thin films prepared by dc magnetron sputtering

Optics Communications ◽

10.1016/j.optcom.2008.10.003 ◽

2009 ◽

Vol 282 (2) ◽

pp. 247-252 ◽

Cited By ~ 152

Author(s):

Xue-Yong Li ◽

Hong-Jian Li ◽

Zhi-Jun Wang ◽

Hui Xia ◽

Zhi-Yong Xiong ◽

...

Keyword(s):

Thin Films ◽

Optical Properties ◽

Magnetron Sputtering ◽

Substrate Temperature ◽

Zno Thin Films ◽

Dc Magnetron Sputtering ◽

Structural And Optical Properties ◽

Doped Zno

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Optical properties of spray pyrolysis deposited Cds:Al thin films

Journal of Bangladesh Academy of Sciences ◽

10.3329/jbas.v39i1.23654 ◽

2015 ◽

Vol 39 (1) ◽

pp. 25-30 ◽

Cited By ~ 2

Author(s):

A Hasnat Rubel ◽

J Podder

Keyword(s):

Thin Films ◽

Optical Properties ◽

Spray Pyrolysis ◽

Near Infrared ◽

Visible Region ◽

Cadmium Sulphide ◽

Infrared Region ◽

Photo Detectors ◽

Direct Energy ◽

Academy Of Sciences

Aluminium doped cadmium sulphide thin films were prepared on glass substrate using aqueous solution of cadmium sulphide and thiourea salts by spray pyrolysis deposition (SPD) technique. Its optical properties were analyzed as a function of doping concentration. The direct energy band-gap of Al-doped CdS films was estimated in the range of 2.25 to 2.48 eV. The optical spectra of Cd1-xAlxS ternary system exhibit high absorption near visible region and transmission throughout the near-infrared region (600 - 1200 nm). Thus so obtained hetero-junction films are suitable for fabrication of photo detectors, solar cells and other optoelectronics devices.Journal of Bangladesh Academy of Sciences, Vol. 39, No. 1, 25-30, 2015

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Effect of pH on the structural and optical properties of polycrystalline ZnSe thin films produced by CBD method

International Journal of Modern Physics B ◽

10.1142/s0217979219500243 ◽

2019 ◽

Vol 33 (05) ◽

pp. 1950024 ◽

Cited By ~ 5

Author(s):

Fatma Meydaneri Tezel ◽

İ. Afşin Kariper

Keyword(s):

Thin Films ◽

Optical Properties ◽

Room Temperature ◽

Dielectric Constants ◽

Structural And Optical Properties ◽

Polycrystalline Structure ◽

Density Values ◽

Cbd Method ◽

Znse Thin Films ◽

Absorbance Spectra

In this study, zinc selenide (ZnSe) thin films were produced on glass substrate by using chemical bath deposition (CBD) method at 80[Formula: see text]C, from aqueous solutions of zinc sulphate and sodium selenosulphide, which were produced using solid selenium as the selenium source. The optical and structural properties of ZnSe thin films were investigated at room-temperature. The pH of the chemical bath, in which ZnSe thin films were immersed, were changed between pH:8–11. Optical properties of the films, including extinction coefficient, refractive index, reflectance, absorbance, transmittance, dielectric constants and optical density values were calculated using absorbance and transmittance measurements determined using a Hach Lange 500 spectrophotometer, in 300–1100 nm wavelength range. Optical bandgap values were obtained from transmittance and absorbance spectra ranged between 2.12 and 2.49 eV. According to XRD results, it was found that the films have polycrystalline structure and they exhibited different film thicknesses depending on phase and pH changes.

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