Search Results - "Khojier, K."

Investigation of ZnO Thin Film Synthesized by Spray Pyrolysis Method as a Toxic Gases Sensor by Khojier, K.

“…In recent years, environmental pollution, particularly toxic gases and vapors, have greatly increased; hence, their detection has become increasingly…”
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Study of ZrO2 coatings on 316L SS as a function of sputtering gas flow rate for biomedical applications by Khojier, K., Moradi, G.

“…Coatings have attracted much attention because they improve the surface properties while retain favorable bulk properties. For the development of coatings in…”
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Chemi-resistive behavior of spray deposited Cu-doped TiO2 thin films: application in hydrogen sensing devices by Khojier, K., Goudarzi, S., Firouzi, M., Gholami, M.

“…Hydrogen has received a lot of attention and is regarded as the most promising energy source of the twenty-first century because of its high energy density and…”
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Enhanced, selective, and room temperature detection of ethanol vapor by RF-sputtered TiO2 thin films by Khojier, K., Goudarzi, S., Firouzi, M.

“…In this research study, TiO 2 thin films-based ethanol sensors were fabricated by RF magnetron sputtering technique. The devices' structure, surface…”
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Role of substrate temperature on the ammonia gas sensing performance of Mg-doped ZnO thin films deposited by spray pyrolysis technique: application in breath analysis devices by Goudarzi, S., Khojier, K.

“…This research investigates the role of substrate temperature on crystallographic structure, surface morphology, and subsequently ammonia gas sensing…”
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Study of nanostructure and ethanol vapor sensing performance of WO3 thin films deposited by e-beam evaporation method under different deposition angles: application in breath analysis devices by Amani, E., Khojier, K., Zoriasatain, S.

“…This paper studies the effect of deposition angle on the crystallographic structure, surface morphology, porosity and subsequently ethanol vapor sensing…”
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On the dependence of structural and sensing properties of sputtered MoO3 thin films on argon gas flow by Khojier, K., Savaloni, H., Zolghadr, S.

“…•MoO3 thin films are sputter coated and their structure are analyzed.•Effect of argon gas flow on the structural and some properties is studied.•CO sensing…”
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Improving the H2 Gas Sensitivity of ZnO Thin Films by Modifying the Annealing Conditions by Khojier, K., Savaloni, H.

“…This paper explains the influence of annealing conditions on the sensing properties of ZnO thin films that can be used for the development of H 2 gas sensors…”
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Preparation and Characterization of Al-doped Tantalum Nitride Thin Films: Effect of Dopant Content and Film Thickness by Gholami, M., Khojier, K., Monsefi, Mehrdad, Borghei, Seyed Majid

“…Current research addresses the electrical, mechanical, and tribological characteristics of sputter-deposited un-doped and Al-doped tantalum nitride thin films…”
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Fast and low concentration detection of liquefied petroleum gas by Au-activated ZnO sensor by Khojier, K., Teimoori, F., Zolghadr, S., Pashazanousi, M.B.

“…[Display omitted] •As-synthesized and Au-activated ZnO samples are studied as an LPG sensor.•The operating temperature of ZnO sensor decreases after activation…”
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Fabrication and Characterization of TaxN Thin Films Deposited by DC Magnetron Sputtering Technique: Application in Microelectronic Devices by Gholami, M., Khojier, K., Monsefi, Mehrdad, Borghei, Seyed Majid

“…For long-term reliability, a microelectronic device needs the desired electrical behavior with high hardness, decent elasticity, fine adhesion on Si, and low…”
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Investigation on the Electrical and Methane Gas-Sensing Properties of ZnO Thin Films Produced by Different Methods by Teimoori, F., Khojier, K., Dehnavi, N. Z.

“…In this work, the influence of deposition method on the structural, electrical, and methane gas-sensing properties of ZnO thin films is investigated. Sol–gel…”
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Influence of annealing conditions on the crystallographic structure, chemical composition and luminescence of ZnO thin films by Khojier, K., Savaloni, H., Amani, E.

“…•Crystallite size was affected by annealing temperature, time and environment.•Crystal quality was improved by increasing of annealing temperature and…”
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Structural, mechanical and tribological characterization of chromium oxide thin films prepared by post-annealing of Cr thin films by Khojier, K., Savaloni, H., Ashkabusi, Z., Dehnavi, N.Z.

“…•Annealing of Cr films isn’t a suitable method for Cr2O3 hard coatings preparation.•This method is suitable for production of Cr3O phase with higher hardness…”
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Preparation and investigation of Al-doped ZnO thin films as a formaldehyde sensor with extremely low detection limit and considering the effect of RH by Khojier, K.

“…It is well known that humidity strongly affects the sensing performance of the resistance-based gas sensors. In the current research, pure and Al-doped ZnO…”
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On the annealing temperature, penetration depth of oxygen and film thickness on the DC and AC electrical properties and nano-structure of Ti thin films by Khojier, K., Savaloni, H.

“…Ti films of different thickness ranging from 12.3 to 246.2 nm were deposited, using resistive heat method and post-annealed at different temperatures with a…”
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Influence of N + ion implantation on the corrosion and nano-structure of Ti samples by Savaloni, H., Khojier, K., Torabi, S.

“…Nitrogen ions of 30 keV with different fluxes ranging from 5 × 10 16 to 8 × 10 17 ions/cm 2 were implanted in Ti foil of 1.8 mm thickness. X-ray diffraction…”
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Study of Electrical, Mechanical, and Tribological Properties of CrNx Thin Films as a Function of Sputtering Conditions by Khojier, K., Savaloni, H., Zolghadr, S., Amani, E.

“…The influences of chemical composition and deposition power on the electrical, mechanical, and tribological properties of sputtered chromium nitride (Cr-N)…”
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Influence of annealing temperature on the nanostructure and corrosivity of Ti/stainless steel substrates by Khojier, K., Savaloni, H., Kangarloo, H., Ghoranneviss, M., Yari, M.

“…Titanium films of 80 nm thickness were deposited on stainless steel type 304, and they were post-annealed under flow of oxygen at different temperatures. The…”
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Characteristics of nanostructure and electrical properties of Ti thin films as a function of substrate temperature and film thickness by Savaloni, H, Khojier, K, Alaee, M. S

“…Titanium films of different thickness at different substrate temperatures are prepared using PVD method. The nanostructure of these films was obtained using…”
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