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İlker Ümit Uzun Kaymak
E-mail
iuzun@metu.edu.tr
Department
Department of Physics
ORCID
0000-0002-7625-1493
Scopus Author ID
24170082700
Publications
Theses Advised
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Projects
Argon and nitrogen plasma modified polypropylene: Surface characterization along with the optical emission results
MANSUROĞLU, DOĞAN; Uzun Kaymak, İlker Ümit (Elsevier BV, 2019-01-25)
This study focuses on the surface modifications of polypropylene using a capacitively coupled radio frequency gas discharge system. Improvements on the polymer surface properties are investigated for the case of argon and ...
Investigation into Ex-Situ and In-Situ Iodine Doped Plasma Polymerized Fluorene-type Thin Films
Mansuroglu, Dogan; Uzun Kaymak, İlker Ümit (2019-01-01)
Effect of doping is investigated by applying iodine dopant to plasma polymerized fluorene (C13H10)-type thin films utilizing two separate techniques: ex-situ and in-situ doping. In this study, the thin films are produced u...
A Study of Crystallization in Plasma Modified Polypropylene
Mansuroglu, Dogan; Mecit, Giray; Uzun Kaymak, İlker Ümit (2019-01-01)
A capacitively coupled radio-frequency plasma discharge is used to improve the surface properties of Polypropylene. The changes in the surfaces are investigated for various plasma discharge parameters. After the plasma mod...
Characterization of high microwave power atmospheric pressure plasma torch
TÜRKYILMAZ, BAHADIR; MANSUROĞLU, DOĞAN; Uzun Kaymak, İlker Ümit (Canadian Science Publishing, 2018-07-01)
An atmospheric pressure microwave plasma torch operating at 2.45 GHz frequency using a surfaguide waveguide fed by argon gas at a constant rate is characterized at various microwave power settings. Coarse optical emission ...
Observed nonlinearities in a DC semiconductor-gas discharge system
ÇAYLI, YAVUZ KERİM; MANSUROĞLU, DOĞAN; Uzun Kaymak, İlker Ümit (Canadian Science Publishing, 2018-07-01)
Nonlinear behaviour of a direct current (DC) driven semiconductor-gas discharge plasma is investigated experimentally. The setup consists of two planar electrodes separated by a gap of 1 mm. Plasma glow is generated betwee...
A study on changes in crystallization of plasma modified polypropylene
Mecit, Giray; Mansuroğlu, Doğan; Uzun Kaymak, İlker Ümit (2017-09-19)
Enhancement of electrical conductivity of plasma polymerized fluorene-type thin film under iodine and chlorine dopants
MANSUROGLU, Dogan; Uzun Kaymak, İlker Ümit (2017-08-31)
Electrical and optical properties of plasma-polymerized fluorene-type (C13H10) iodine-and chlorine-doped thin films are investigated. Fluorene-type thin films are produced using a mixture of biphenyl (C12H10) and methane (...
Effects of THz Transmission on the Narrow Gap DC Glow Discharge Plasmas
ALASGARZAGE, Namıg; Altan, Hakan; MANSUROĞLU, DOĞAN; Şahin, Asaf Behzat; Uzun Kaymak, İlker Ümit (2017-05-25)
An evidence of period doubling bifurcation in a dc driven semiconductor-gas discharge plasma
MANSUROGLU, D.; Uzun Kaymak, İlker Ümit; Rafatov, İsmail (2017-05-01)
We present an experimental study of nonlinearity observed in a dc driven semiconductor-gas discharge system. The plasma glow is generated using planar electrodes in a vacuum chamber filled with nitrogen gas at partial atmo...
Transmission and detection of terahertz radiation in a weakly ionized plasma (Conference Presentation)
TAKAN, TAYLAN; Alasgarzade, Namıg; YILDIRIM, İHSAN OZAN; Uzun Kaymak, İlker Ümit; ŞAHİN, ASAF BEHZAT; Altan, Hakan (2017-01-27)
Plasma, used as a terahertz (THz) detection medium has promising features. Several studies for mm-wave/THz radiation detection using various kind of methods for plasma creation such as neon indicator lamps [1], gas cells [...
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