Kayed, Tarek Said

Profile Picture
Profile URL
https://hdl.handle.net/20.500.14411/8435
Name Variants
Kayed, Tarek S.
T.,Kayed
K., Tarek Said
T.S.Kayed
Kayed, Tarek Said
T., Kayed
Tarek Said, Kayed
K.,Tarek Said
Kayed,T.S.
Kayed, TS
Kayed, T. S.
Kayed, TS
Job Title
Doçent Doktor
Email Address
Main Affiliation
Department of Electrical & Electronics Engineering
Status
Former Staff
Website
ORCID ID
Scopus Author ID
Turkish CoHE Profile ID
Google Scholar ID
WoS Researcher ID

Sustainable Development Goals

SDG data is not available
This researcher does not have a Scopus ID.
This researcher does not have a WoS ID.
Scholarly Output

25

Articles

22

Views / Downloads

82/0

Supervised MSc Theses

0

Supervised PhD Theses

0

WoS Citation Count

205

Scopus Citation Count

214

Patents

0

Projects

0

WoS Citations per Publication

8.20

Scopus Citations per Publication

8.56

Open Access Source

0

Supervised Theses

0

JournalCount
Crystal Research and Technology5
Materials Research Bulletin2
Journal of Alloys and Compounds2
Journal of Electronic Materials2
physica status solidi (b)2
Current Page: 1 / 3

Scopus Quartile Distribution

Competency Cloud

GCRIS Competency Cloud

Filters

2003 - 20042
Reset filters

Settings

Author: Mergen, ASubject: pyrochlore

Scholarly Output Search Results

Now showing 1 - 2 of 2
  • Thumbnail Image
    Article
    Citation - WoS: 9
    Citation - Scopus: 9
    Electrical Properties of Bi1.5znsb1.5< Pyrochlore Ceramics
    (Wiley-v C H verlag Gmbh, 2003) Kayed, TS; Mergen, A
    Bi1.5ZnSb1.5O7 pyrochlore samples were prepared by solid state reaction method. They were examined by x-ray diffraction and scanning electron microscopy. Single phase, belongs to the cubic pyrochlore structure, with a lattice parameter of 10.442 Angstrom and grain size that varies from 16 to 20 mum was obtained. The electrical properties were measured at different temperatures in the range 15-330 K under different applied magnetic fields up 1.4 T. In our measurements for Hall coefficient, Hall resistivity, and mobility; we noticed an anomalous behavior at two temperatures (around 250 and 310 K) which was supported by the I-V measurements (double transition of the slope of I-V characteristics (beta) at the same temperatures). This was discussed in terms of polarization phenomenon and mixed ionic-electronic conduction. (C) 2003 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
  • Thumbnail Image
    Article
    Citation - WoS: 5
    Citation - Scopus: 5
    Electrical Behavior of Pb1.83mg0.29< Pyrochlore Ceramics
    (Elsevier Science Bv, 2004) Mergen, A; Kayed, TS
    Pb1.83Mg0.29Nb1.71O6.39 pyrochlore was produced via a simple partial oxalate method. It was examined by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Single phase, belonging to the cubic pyrochlore structure, with a lattice parameter of a = 10.60125 +/- 0.001 Angstrom and grain size that varies from 5 to 10 mum was obtained. The electrical properties were measured at different temperatures in the range 15-320 K without and with applied magnetic field of 1.4 T. Current-voltage characteristics data were fitted to a power law expression V=I-beta(T) in which the exponential parameter beta takes values around 1 at all temperatures except at 300 K. Resistance starts from 3.3 x 10(10) Omega at 15 K and increases gradually to 4.8 x 10(10) Omega at 240 K. It drops to approximately 1.2 x 10(10) Omega at 300 K, after which it increases again to around 1.6 x 10(10) Omega at 320 K. (C) 2004 Elsevier B.V. All rights reserved.