Advisors
Now showing items 1-12 of 12
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Artificial nose : identification of volatile organic molecules with optofluidic photonic Bragg fibers
(Bilkent University, 2016-12)Artificial nose system, comprising of a bundle of photonic Bragg fibers used for identification of industrial toxic gases is reported. The system, otherwise known as optoelectronic nose, harvests the unique infrared spectrum ... -
Atomic layer deposition of III-nitrides and metal oxides : their application in area selective ALD
(Bilkent University, 2017-07)III-nitride compound semiconductor materials (GaN, AlN, and InN) and their alloys have generated significant interest in both basic research and commercial applications mainly in the field of photonics, energy storage, ... -
Coupled plasmonic structures for sensing, energy and spectroscopy applications
(Bilkent University, 2015-08)Recent advances in nanofabrication and characterization methods have enabled the study of novel optical phenomena, thus boosting the research in nanophotonics and plasmonics. Metal nanostructures offer a route for the ... -
Electrochemically swithable plasmonic surfaces
(Bilkent University, 2014)In this study, we design and produce grating coupled surface plasmon surfaces which are switched by electrochemistry. Grating structures are fabricated using digital versatile discs (DVDs) which are commercially available. ... -
High performance floating gate memories using graphene as charge storage medium and atomic layer deposited high-k dielectric layers as tunnel barrier
(Bilkent University, 2013)With the ongoing development in portable electronic devices, low power consumption, improved data retention rate and higher operation speed are the merits demanded by modern non-volatile memory technology. Flash ... -
Mechanical and optical optimization of a fiber-optic interferometric acoustic sensor
(Bilkent University, 2015-08)External cavity Fiber optic interferometric microphones have the potential to operate at the acustic impedance derived noise limit, with a noise oor close to 1uPa=pHz. This can be achieved with careful optimization of ... -
The mechanical characterization of two-dimensional materials (WS2, MoS2, and graphene) and the effect of defects on young`s modulus of CVD grown single-layer graphene
(Bilkent University, 2017-11)With the first isolation of graphene two-dimensional (2D) materials attracted the enormous interest of many researchers. Owing to extraordinary properties and atomic thickness 2D materials have many applications in gas ... -
Mesenchymal stem cell mechanics on osteoinductive peptide nanofibers
(Bilkent University, 2017-07)In this thesis, changes in Young's modulus of mesenchymal stem cells (MSCs) were investigated during their osteogenic differentiation on bioactive peptide nanofibers that bear triple glutamic acid sequence (EEE), a ... -
Novel materials and techniques for energy conversion and sensing
(Bilkent University, 2015-12)In the recent years, characterization of nanomaterials and using them in sensing applications gain considerable attention. Increased research on nanotechnology brings new materials and techniques that come with many ... -
Novel miniaturized sensors for on-site biological and chemical detection
(Bilkent University, 2016-08)The development of miniaturized analytical systems brought several examples of novel platforms for a variety of applications in medical diagnostics, food safety, biodefense, agricultural and environmental monitoring. ... -
Probing hot-electron effects in plasmonic surfaces using X-ray photoelectron spectroscopy
(Bilkent University, 2014)Hot-electron effects in plasmonic structures have been recently investigated as potential alternative mechanisms for solar energy harvesting and photodetection. [1][2][3] Hot-electron effects provide a semiconductor free ... -
RF-sputtering of doped zinc oxides thin films, the effect of low substrate heating deposition
(Bilkent University, 2017-01)Zinc Oxide (ZnO) has been studied since 1930’s as a candidate for the electronic applications, as it possesses a wide bandgap of 3.4 eV. While in the last 3 decades the technology of thin films were more interested in Doped ...