Prof. UĞUR YAHŞİ | AVESİS

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Publications & Works

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Published journal articles indexed by SCI, SSCI, and AHCI

The Influence of Defects on the Structural, Optical, and Antibacterial Properties of Cr/Cu Co-Doped ZnO Nanoparticles

Arda L., Raad Z., VEZİROĞLU S., TAV C., YAHŞİ U.

Journal of Molecular Structure , vol.1320, 2025 (SCI-Expanded)

Correlation of proton conductivity and free volume in sulfonated polyether ether ketone electrolytes: A positron annihilation lifetime spectroscopy study

Lahmuni M., Yılmazoğlu M., ABACI U., Coban O., YUMAK YAHŞİ A., TAV C., et al.

Radiation Physics and Chemistry , vol.226, 2025 (SCI-Expanded) Sustainable Development

Sustainable Development

A novel approach for the atomic scale characterization of Li-ion battery components probed by positron annihilation lifetime spectroscopy

Bakar R., Koc S., YUMAK YAHŞİ A., TAV C., YAHŞİ U.

Materials Research Bulletin , vol.180, 2024 (SCI-Expanded)

Free-volume analysis of the structural and dielectric properties of PMMA/TeO2 composites via positron annihilation lifetime spectroscopy

Kuzeci S., Ozcan E., KAYA A. U., Bakar R., TAV C., YAHŞİ U., et al.

Journal of Alloys and Compounds , vol.1004, 2024 (SCI-Expanded)

Proton pathways via free volumes: A positron annihilation lifetime spectroscopy (PALS) investigation of proton conductivity in SPEEK-PEG-TMOS composites

Yılmazoğlu M., ABACI U., Okkay H., Yahsi A., TAV C., YAHŞİ U.

Colloids and Surfaces A: Physicochemical and Engineering Aspects , vol.687, 2024 (SCI-Expanded)

Free-Volume analysis of PAMAM dendrimers by means of positron annihilation lifetime spectroscopy

Yumak Yahsi A., Uzun H., Altunkaya A. N., Unalkizilirmak A., TÜLÜ M., TAV C., et al.

Journal of Molecular Structure , vol.1302, 2024 (SCI-Expanded)

Dielectric relaxation time of PVAc in terms of hole fraction calculated from the theory of Simha-Somcynsky

YUMAK YAHŞİ A., Almashayek A., YAHŞİ U.

Polymer , vol.295, 2024 (SCI-Expanded)

Cation Vacancy-Mediated Ultrafast Hole Transport in CuBi2O4 Photocathodes

Ardalı E., Jahangiri H., Solati N., YAHŞİ U., TAV C., Sennaroglu A., et al.

ChemSusChem , 2024 (SCI-Expanded)

Detailed investigation on the insulation and permeability characteristics of rigid polyurethane foam loaded with micron-sized Turkey feather powder depending on the free volume change

SOYKAN U., CETIN S., YAHŞİ U.

Cellular Polymers , vol.42, no.5-6, pp.204-225, 2023 (SCI-Expanded) Sustainable Development

Sustainable Development

Investigation of Nd3+:Y2Si2O7Phosphors Using Photoluminescence and Positron Annihilation Lifetime Spectroscopy

Akay L. N., Kuzeci S., Akti N., Erdem M., TAV C., YAHŞİ U., et al.

ECS Journal of Solid State Science and Technology , vol.12, no.8, 2023 (SCI-Expanded)

Effects of sintering and zirconmullite doping on nanostructural vacancies of bovine hydroxyapatite by positron techniques

Akay L. N., Kalkandelen C., Akti N., Sengul M. S., TAV C., YAHŞİ U., et al.

JOURNAL OF THE AMERICAN CERAMIC SOCIETY , vol.106, no.5, pp.3220-3227, 2023 (SCI-Expanded)

Decoding Polymer Architecture Effect on Ion Clustering, Chain Dynamics, and Ionic Conductivity in Polymer Electrolytes

Bakar R., Darvishi S., Aydemir U., YAHŞİ U., TAV C., Menceloglu Y. Z., et al.

ACS Applied Energy Materials , vol.6, no.7, pp.4053-4064, 2023 (SCI-Expanded) Sustainable Development

Sustainable Development

The role of defects in the structural and photocatalytic properties of Mg/B co-doped ZnO nanoparticles

ŞENTÜRK K., Yalcin B., Yalcin I., Alphan M., ŞENGÜL M. T., TAV C., et al.

Journal of Materials Science: Materials in Electronics , vol.34, no.9, 2023 (SCI-Expanded)

Investigation of the relation between free volume and physico-mechanical performance in rigid polyurethane foam containing turkey feather fibers: Part 2

Soykan U., Khaleel M., Cetin S., YAHŞİ U., TAV C.

Journal of Cellular Plastics , vol.58, no.6, pp.893-915, 2022 (SCI-Expanded)

Electronic ionisation-induced annealing of pre-existing defects in Al2O3 and CaF2 single crystals

Izerrouken M., Hazem R., Kuzeci S., Tav C., Yahsi U., Lemam S.

PHILOSOPHICAL MAGAZINE , vol.102, no.4, pp.283-298, 2022 (SCI-Expanded)

Free volume vacancy behaviour and dynamic viscosity of diesel fuels with additives at elevated temperature and pressure: thermo-occupancy function

Dinc F. S., Schaschke C., Yahsi U.

INTERNATIONAL JOURNAL OF OIL, GAS AND COAL TECHNOLOGY , vol.30, no.2, pp.209-228, 2022 (SCI-Expanded)

Role of free volume in mechanical behaviors of side chain lcp grafted products of high density polyethylene

Sen B. O., ÇETİN S., YAHŞİ U., Soykan U.

JOURNAL OF POLYMER RESEARCH , vol.28, no.8, 2021 (SCI-Expanded)

Heavy ion irradiation induced defects in Zircaloy-4

Izerrouken M., Hazem R., Yahsi U., Naceri S. E., Tav C., Kuzeci S., et al.

PHYSICA SCRIPTA , vol.96, no.4, 2021 (SCI-Expanded)

Free volume, thermal and morphological properties of photo-crosslinked thiol-Ene/nanodiamond hybrid network

Cigil A. B., MADAKBAŞ S., TAV C., YAHŞİ U., KAHRAMAN M. V.

PIGMENT & RESIN TECHNOLOGY , vol.50, no.2, pp.113-120, 2021 (SCI-Expanded)

Structural and dielectrical properties of PMMA/TiO2 composites in terms of free volume defects probed by positron annihilation lifetime spectroscopy

KAYA A. U., Kösem G., YENER M. D., TAV C., YAHŞİ U., ESMER K.

Polymers and Polymer Composites , vol.29, pp.107-116, 2021 (SCI-Expanded)

Optical and photoluminescence spectroscopy analysis and Doppler broadening annihilation radiation studies of perovskites based on La1-XNiXMnO2.75 thin layers

Arrar A., Benhaliliba M., Boukhachem A., YAHŞİ U., TAV C., Yumak A., et al.

OPTIK , vol.224, 2020 (SCI-Expanded)

A detailed survey for determination of the grafted semifluorinated acrylic compound effect on thermal, microstructural, free volume, mechanical and morphological features of HDPE

Soykan U., Sen B. O., Cetin S., YAHŞİ U., TAV C.

JOURNAL OF FLUORINE CHEMISTRY , vol.233, 2020 (SCI-Expanded)

Effects of boron nitrite in thermoplastic polyurethane on thermal, electrical and free volume properties

DUMLUDAĞ F., Yener M. Y., BAŞTÜRK E., MADAKBAŞ S., KAHRAMAN M. V., Umer M. A., et al.

POLYMER BULLETIN , vol.76, no.8, pp.4087-4101, 2019 (SCI-Expanded)

Ionic conductivity of PVdF-co-HFP/LiClO4 in terms of free volume defects probed by positron annihilation lifetime spectroscopy

YAHŞİ U., DELİGÖZ H., TAV C., Ulutas K., Deger D., YILMAZTÜRK S., et al.

RADIATION EFFECTS AND DEFECTS IN SOLIDS , vol.174, pp.214-228, 2019 (SCI-Expanded)

Interrelationships of Pressure-Dependent Hole Fraction and Elongational Viscosity in Polymer Melts

Sahin-Dinc F., YAHŞİ U., SEDLACEK T.

ADVANCES IN POLYMER TECHNOLOGY , 2019 (SCI-Expanded)

Dielectric properties and conductivity of PVdF-co-HFP/LiClO4 polymer electrolytes

Ulutas K., YAHŞİ U., Deligoz H., TAV C., Yilmazturk S., Yilmazoglu M., et al.

CANADIAN JOURNAL OF PHYSICS , vol.96, no.7, pp.786-791, 2018 (SCI-Expanded)

Europium doping-induced stability and quantum confinement effect in ZnO quantum well wires QWW: Electronic structure calculation and material structural investigation in terms of band-gap shift

Yumak A., Yahsi U., Petkova P., Boubaker K.

MATERIALS LETTERS , vol.164, pp.89-92, 2016 (SCI-Expanded)

The Effect of Hole Fraction on Viscosity in Atactic and Syndiotactic Polystyrenes

Sahin-Dinc F., Sorrentino A., TAV C., YAHŞİ U.

INTERNATIONAL JOURNAL OF THERMOPHYSICS , vol.36, pp.3239-3254, 2015 (SCI-Expanded)

Molecular structure stability of short-chain chlorinated paraffins (SCCPs): Evidence from lattice compatibility and Simha-Somcynsky theories

Yumak A., Boubaker K., Petkova P., Yahsi U.

JOURNAL OF MOLECULAR STRUCTURE , vol.1098, pp.255-260, 2015 (SCI-Expanded)

Relaxation time of polypropylene glycol and polypropylene glycol dimethylether-like polymers in terms of fluid-phase temperature and pressure dependent hole fraction

YAHŞİ U., Coskun B., YUMAK YAHŞİ A., Boubaker K., TAV C.

EUROPEAN POLYMER JOURNAL , vol.68, pp.226-232, 2015 (SCI-Expanded)

Thermal and size effect on the R lines luminescence in YAG:Cr3+

Erdem M., Ozen G., YAHŞİ U., Di Bartolo B.

JOURNAL OF LUMINESCENCE , vol.158, pp.464-468, 2015 (SCI-Expanded)

On the Non-Newtonian Viscous Behavior of Polymer Melts in Terms of Temperature and Pressure-Dependent Hole Fraction

Dinc F. S., Sedlacek T., TAV C., YAHŞİ U.

JOURNAL OF APPLIED POLYMER SCIENCE , vol.131, no.15, 2014 (SCI-Expanded)

Viscous Behavior of PS, PP, and ABS in Terms of Temperature and Pressure-Dependent Hole Fraction

Akdeniz G., YAHŞİ U., TAV C.

JOURNAL OF APPLIED POLYMER SCIENCE , vol.117, no.1, pp.110-113, 2010 (SCI-Expanded)

The magnetic field dependency of hydrogenic impurity binding energy under inverse lateral parabolic potential

ELAGÖZ S., BAŞER P., YAHŞİ U.

PHYSICA B-CONDENSED MATTER , vol.403, pp.3879-3882, 2008 (SCI-Expanded)

On the Ionic Conductivity of Polymer Electrolytes in Terms of Hole Fraction

YAHŞİ U., Ulutas K., TAV C., Deger D.

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS , vol.46, no.20, pp.2249-2254, 2008 (SCI-Expanded)

Linking the viscous and vacancy behavior of mixtures of high-molecular-weight hydrocarbons

Sahin F., Tav C., Yahsi U.

INTERNATIONAL JOURNAL OF THERMOPHYSICS , vol.27, no.5, pp.1501-1514, 2006 (SCI-Expanded)

Linking the viscous and vacancy behavior of high molecular weight hydrocarbons

Yahsi U., Sahin F.

RHEOLOGICA ACTA , vol.43, no.2, pp.159-167, 2004 (SCI-Expanded)

Equation of state of alkane and alkylbenzene liquids: A test of the group contributions of scaling parameters for physical and chemical mixtures

Yahsi U., Kuzeci S., Alevli M.

INTERNATIONAL JOURNAL OF THERMOPHYSICS , vol.23, no.2, pp.501-512, 2002 (SCI-Expanded)

Viscous behavior of linear and three-branch alkanes: Linking the equilibrium and transport theories

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS , vol.37, no.9, pp.879-887, 1999 (SCI-Expanded)

Equation of state of poly(dimethylsiloxane) melts

Sachdev V., YAHŞİ U., Jain R.

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS , vol.36, no.5, pp.841-850, 1998 (SCI-Expanded)

Interrelationships between P-V-T and flow behavior of linear and nonlinear hydrocarbons

POLYMER ENGINEERING AND SCIENCE , vol.38, no.3, pp.464-470, 1998 (SCI-Expanded)

STATISTICAL THERMODYNAMICS OF HYDROCARBON FLUIDS - SCALING PARAMETERS AND THEIR GROUP CONTRIBUTIONS

SIMHA R., YAHŞİ U.

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS , vol.91, no.16, pp.2443-2455, 1995 (SCI-Expanded)

MOLECULAR WEIGHT-DEPENDENCE OF FREE-VOLUME IN POLYSTYRENE STUDIED BY POSITRON-ANNIHILATION MEASUREMENTS

YU Z., YAHŞİ U., MCGERVEY J., JAMIESON A., SIMHA R.

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS , vol.32, no.16, pp.2637-2644, 1994 (SCI-Expanded)

Articles Published in Other Journals

ATAKTİK VE SİNDİYOTAKTİK POLİSTİRENİN VİSKOZİTE BOŞLUK KESRİ DAVRANIŞININ TAKTİSİTEYE ETKİSİ

Dinç F. Ş., Sorrentino A., TAV C., YAHŞİ U.

Journal of the Turkish Chemica Society A: Chemistry , vol.2, pp.12-14, 2015 (Peer-Reviewed Journal)

Refereed Congress / Symposium Publications in Proceedings

A Novel Approach Enabling Atomic Scale Characterization for Li-on Battery Components probed by Positron Annihilation Lifetime Spectroscopy (PALS)

BAKAR R., KOÇ S., YUMAK YAHŞİ A., YAHŞİ U.

7th Int. Symp on Materials for Energy Storage and Conversion & 11th Int. Conference on Nanomaterials and Advanced Energy Storage Systems, Muğla, Turkey, 17 July 2023

Some Studies Related to the Determination of Factors Affecting Positronium Formation of High Density Polyethylene (HDPE) via Positron Annihilation Lifetime Spectroscopy (PALS)

ÖZTÜRK ŞEN B., YAHŞİ U., TAV C.

ICACCHE 2nd International Conference on Applications in Chemistry and Chemical Enginnering, Belgrade, Serbia And Montenegro, 10 - 14 October 2018

Correlation between Free Volume Holes and Mechanical Properties of Side Chain LCP-HDPE Graft Products

ÖZTÜRK ŞEN B., YAHŞİ U., ÇETİN S., TAV C., yener m. y., SOYKAN U.

ICACCHE 2nd International Conference on Applications in Chemistry and Chemical Engineering, Belgrade, Serbia And Montenegro, 10 - 14 October 2018

Analysis of Positron Lifetime Spectra with Bayesian Inference

ÜSTÜNDAĞ D., YAHŞİ U.

5th INTERNATIONAL CONFERENCE ON COMPUTATIONAL AND EXPERIMENTAL SCIENCE AND ENGINEERING (ICCESEN-2018), 12 - 16 October 2018

Ionic Conductivity of PVdF-co-HFP with Li-salts in terms of Free Volume Probed by Positron Annihilation Lifetime Spectroscopy

YAHŞİ U., TAV C., ERDEMCİ TANDOĞAN G., COŞKUN B., DELİGÖZ H., YILMAZTÜRK S., et al.

Uluslararası Katılımlı VII. Polimer Bilim ve Teknoloji Kongresi, Eskişehir, Turkey, 9 - 12 September 2018

Ionic Conductivity of PVdF-co-HFP with Li-salts In Terms of Free Volume Probed by Positron Annihilation Lifetime Spectroscopy

TAV C., ULUTAŞ H. K., DELİGÖZ H., YILMAZOĞLU M., ULUTAŞ D., YAKUT Ş., et al.

Uluslararası Katılımlı VII. Polimer Bilim ve Teknoloji Kongresi (Polimer 2018), 9 - 12 September 2018

DC Conductivity, Thermal and Free Volume Properties of Thermoplastic polyurethane/boron nitride compounds

YAHŞİ U., YENER M. Y., MADAKBAŞ S., TAV C., DUMLUDAĞ F., UMER M. A.

Uluslararası Katılımlı VII. Polimer Bilim ve Teknoloji Kongresi (Polimer 2018), 9 - 12 September 2018

Temperature and Pressure Dependent Relaxation of Polymers In Terms of Free Volume Fraction

YAHŞİ U., ÇOŞKUN B., YUMAK YAHŞİ A., TAV C.

Uluslararası Katılımlı VII. Polimer Bilim ve Teknoloji Kongresi (Polimer 2018), Eskişehir, Turkey, 9 - 12 September 2018

Investigation of a Relationship Between Free Volume and Ionic Conductivity of PVdF-co-HFP with Ionic Liquid

YAHŞİ U., TAV C., ULUTAŞ H. K., DELİGÖZ H., ÇOŞKUN B., ERDEMCİ G., et al.

The International Joint Science Congress of Materials Polymers, 25 - 28 August 2017

Free Volume Propertiesof Side Chain LCP-HDPE Graft Coproducts Probed by Positron Annihilation Lifetime Spectroscopy

ÖZTÜRK ŞEN B., YAHŞİ U., TAV C., ÇETİN S., YENER M. Y., SOYKAN U.

The International Joint Science Congress of Materials Polymers, 25 - 28 August 2017

The Surface Gradient Profile of Free Volume of PS, PMMA, and SAN using Simha-Somcynsky and Cahn-Hilliard Theories

YUMAK YAHŞİ A., KUZECİ S., TAV C., YAHŞİ U.

The International Joint Science Congress of Materials Polymers, 25 - 28 August 2017

The Surface Gradient Profile of Free Volume of PS, PMMA,and SAN using Simha-Somcynsky and Cahn-Hilliard Theories

YUMAK YAHŞİ A., YAHŞİ U., TAV C., Küzeci S.

The International Joint Science Congress of Materials Polymers ISCMP 2017, Ohrid, Macedonia, 25 - 28 August 2017

Influence of Hole Fraction on Elongational Viscosity of Polymer Melts

DİNÇ F., SEDLACEK T., YAHŞİ U.

Türk Fizik Derneği 33. Uluslararası Fizik Kongresi, 6 - 10 September 2017

Investigation of relationship between Free volume and Ionic conductivity of pvdf-co-hfp with Ionic liquid

YAHŞİ U., TAV C., ERDEMCİ TANDOĞAN G., çoşkun b., DELİGÖZ H., yılmaztürk s., et al.

The International Joint Science Congress of Materials Polymer, 25 - 28 August 2017

Analysis of Positron Lifetime Spectra Using Bayesian Inference

ÜSTÜNDAĞ D., CEVRİ M., YAHŞİ U.

The 2nd IET International Conference on Intelligent Signal Processing (ISP) 2015, London, Canada, 1 - 02 December 2015, pp.1-6

Books & Book Chapters

Problemlerle Klasik Mekanik

Literatür Yayıncılık, Beyoğlu, İstanbul, İstanbul, 2012

Metrics

Publication

63

Citation (WoS)

259

H-Index (WoS)

9

Citation (Scopus)

403

H-Index (Scopus)

12

Citation (Scholar)

8

H-Index (Scholar)

1

Citiation (Sum Other)

2

Project

3

Thesis Advisory

17

Open Access

15

UN Sustainable Development Goals