Browsing Fen-Edebiyat Fakültesi by Author "Şentürk, Erdoğan"

Now showing items 1-20 of 34

beta Dielectric relaxation mode in side-chain liquid crystalline polymer film

Şentürk, Erdoğan (ELSEVIER SCIENCE BV, 2008)

In this paper, side-chain liquid crystalline polymer (SLCP) film was studied by dielectric relaxation spectroscopy (DRS). Dielectric properties were measured in the frequency range from 1 kHz to 10 MHz at some fixed ...
Bias field induced impedance relaxation of TlGaSe2 semiconducting layered crystal at room temperature

Şentürk, Erdoğan (WILEY-V C H VERLAG GMBH, 2007)

Complex Impedance Spectroscopy has been employed for the study of absorption kinetics at TIGaSe2 layered crystal under Bias voltage at room temperature. Two relaxations mechanisms have been observed. The crystal has "slow" ...
Cobalt-titanium multilayer thin films: Effect of thickness of titanium spacer layer on impedance properties

Şentürk, Erdoğan; Erkovan, Mustafa; M. Okutan; A. Kosemen; S. Ozturk; Y. Sahin (ELSEVIER SCI LTD, 2015)

We investigated the impedance parameters of cobalt titanium (Co-Ti) multilayer thin films deposited on native oxidized Si (100) substrate under ultra-high vacuum (4 x 10(-8) mbar) by magnetron sputtering at room temperature. ...
Conductivity mechanism of mica powders inlaid elastomer based materials

Şentürk, Erdoğan; N. Akcakale; M. Okutan (ELSEVIER SCIENCE SA, 2016)

In this study, electrical properties of mica powder inlaid NR/SBR type elastomer based rubber material have been investigated by dielectric spectroscopy. Electrical modulus of this sample showed dispersion in the frequency ...
Debye type dielectric relaxation in carbon nano-balls' and 4-DMAABCA acid doped E7 coded nematic liquid crystal

Şentürk, Erdoğan (ELSEVIER SCIENCE BV, 2008)

The electrical properties of carbon nano-balls' and 4-dimethylaminoazobenzene-2'-carboxylic acid doped dispersed nematic liquid crystal composite were investigated by impedance spectroscopy technique. The conductivity and ...
Dielectric characteristics of a Ce3+-doped Sr0.61Ba0.39Nb2O6 single crystal with Cole-Cole plots technique

Şentürk, Erdoğan (ACADEMIC PRESS INC ELSEVIER SCIENCE, 2004)

In this paper, we have investigated relaxation mechanisms and dielectric characteristics of an Sr0.61-xBa0.39Nb2O6Cex (abbreviated as SBN61 and x=0.0066) single crystal with dielectric spectroscopy measurements. The crystal ...
Dielectric characteristics of Ce3+ doped Sr0.61Ba0.39Nb2O6 with Cole-Cole plots technique

Şentürk, Erdoğan (WILEY-V C H VERLAG GMBH, 2004)

In this paper, we have investigated two-relaxator mechanism and dielectric characteristics of Ce3+ doped Sr0.61Ba0.39Nb2O6 with dielectric spectroscopy measurements. The crystal undergoes a ferroelectric phase transition ...
Dielectric properties of thallium gallium diselenide layered crystal in the incommensurate phase

Şentürk, Erdoğan (WILEY-V C H VERLAG GMBH, 2005)

The dielectric measurements of the layered crystal were studied in temperature range of successive phase transitions. The measurements revealed that the phase transition occurred in 242 K is an incommensurate phase transition. ...
Dielectric relaxation in ferroelectric TlInS2 layered crystals within metastable chaotic state

Şentürk, Erdoğan (WILEY-V C H VERLAG GMBH, 2007)

The results of investigations low frequency dielectric relaxation in layered ferroelectric TlInS2 crystals are presented. The measurements were performed in the temperature range of 180-230 K and in the frequency range of ...
Dielectric susceptibility behaviour in the incommensurate phase of TlInS2

Şentürk, Erdoğan (ELSEVIER SCIENCE BV, 2003)

Peculiarities of the temperature behaviour of the dielectric susceptibility of TlInS2 in the temperature interval of incommensurate (IC) phase have been theoretically investigated on the basis of recently suggested ...
EFFECTS OF BORON OXIDE ADDITION ON DIELECTRIC PROPERTIES OF LOW LOSS STEATITE CERAMICS

Şentürk, Erdoğan (UNIV CHEMISTRY & TECHNOLOGY, PRAGUE, 2010)

Steatite ceramics have been fabricated by using starting materials such as talc, clay, and barium carbonate with addition of boron oxide (B2O3). B2O3 has been found to be a useful flux to dens, MgO-Al2O3,SiO2-BaO (MASB) ...
EPR study of the structural phase transitions in chromium doped thallium indium disulphide

Şentürk, Erdoğan (ELSEVIER SCIENCE BV, 2003)

The results of low-temperature electron paramagnetic resonance (EPR) investigations of Cr3+ doped TlInS2 single crystals in the temperature range 5-300K are presented. Remarkable temperature dependences of the linewidth ...
Humidity sensing properties of ferrite based Al-Cd nanoparticles as a fast response sensor device

Şentürk, Erdoğan (ELSEVIER SCIENCE SA, 2016)

The humidity sensing performance of Al-Cd ferrite nanoparticle manufactured by chemical co-precipitation method. The humidity sensing properties of the presented Al-Cd ferrite sensor was investigated by exposing it to a ...
Humidity sensing properties of steatite ceramic containing B2O3

Şentürk, Erdoğan; Duman, Sıtkı; Bağcı, Sadık; H. S. Soykan; Z. Aslanoglu (ELSEVIER SCIENCE SA, 2016)

In this work, humidity sensing properties of steatite ceramic containing with boron oxide was investigated. The properties of the sample were determined by using impedance measurements at a frequency of 10 kHz. These ...
Humidity sensing properties of ZnO/La(OH)(3) via impedance measurements

Şentürk, Erdoğan (SPRINGER, 2016)

In this work, composite zinc oxide/lanthanum hydroxide crystal powder (50:50 %) has been synthesized using the sol-gel technology. The crystal formed powder has been obtained at 1000 A degrees C annealing temperature for ...
Incommensurate phase properties of TlGaSe2 layered crystals

Şentürk, Erdoğan (WILEY-V C H VERLAG GMBH, 2005)

The frequency and time dependence of the ac conductivity were measured within incommensurate phase in the frequency range 10(1)-10(7) Hz and analyzed. The electrical conductivity decreases with decreasing temperature, then ...
Manganese ferrite prepared using reverse micelle process: Structural and magnetic properties characterization

Mohd. Hashim; Sagar E. Shirsath; S. S. Meena; M. L. Mane; Shalendra Kumar; Pramod Bhatt; Ravi Kumar; N. K. Prasad; S. K. Alla; Jyoti Shah; R. K. Kotnala; K. A. Mohammed; Şentürk, Erdoğan (ELSEVIER SCIENCE SA, 2015)

Reverse microemulsion process was employed to prepare of nanocrystalline Mn3+ substituted MnFe2-xMnxO4 ferrites. The structural, magnetic and dielectric properties were studied for different concentrations of Mn3+. The ...
OLPT CONDUCTIVITY IN WOLLASTONITE INLAID NR/SBR TYPE ELASTOMER BASED MATERIAL

Şentürk, Erdoğan; Demirer, Ahmet; Okur, İbrahim (UNIV CHEMISTRY & TECHNOLOGY, PRAGUE, 2012)

The electrical properties of wollastonite inlaid NR/SBR type elastomer based material have been evaluated. Electrical properties of the samples were measured in the temperature range of 303 to 453 K and the frequency range ...
Overlapping Large Polaron Conductivity Mechanism and Dielectric Properties of Al0.2Cd0.8Fe2O4 Ferrite Nanocomposite

T. Sasmaz Kuru; Şentürk, Erdoğan; Eyüpoğlu, Volkan (SPRINGER, 2017)

In this work, the conduction and dielectric properties of Al0.2Cd0.8Fe2O4 ferrite nanoparticle, which was synthesized by a co-precipitation method, were investigated. Experimental data were taken from 20 Hz to 10 MHz and ...
Overlapping large polaron tunneling conductivity and giant dielectric constant in Ni0.5Zn0.5Fe1.5Cr0.5O4 nanoparticles (NPs)

Şentürk, Erdoğan (ELSEVIER SCIENCE SA, 2011)

We report an orderly study on the structural and dielectric properties of Ni0.5Zn0.5Cr0.5Fe1.5O4 nanoparticles (NPs) synthesized by a polyethylene glycol (PEG)-assisted hydrothermal technique. XRD, FT-IR, FE-SEM and EDX ...