Department of Physics

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Zhang, J. (1117)
Bocci, A. (1108)
Wang, J. (1108)
Kim, H. (1105)
Xie, S. (1092)

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Nuclear and High Energy Physics (888)
Condensed Matter Physics (573)
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1966 - 1979 (111)
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Recent Submissions

Equiatomic quaternary Heusler compounds TiVFeZ (Z=Al, Si, Ge): Half-metallic ferromagnetic materials
Gencer, A.; Surucu, O.; Usanmaz, D.; Khenata, R.; Candan, A.; Sürücü, Gökhan (2021-11-25)
© 2021 Elsevier B.V.Equiatomic quaternary Heusler compounds (EQHCs) are very promising materials for spintronic applications due to their excellent electronic and magnetic properties. In this study, structural, electronic,...
Effect of thallium (Tl) substitution for indium (In) on ellipsometric characteristics of TlInSe2 single crystals
Isik, M.; Hasanlı, Nızamı (2021-11-01)
© 2021 Elsevier LtdTlMeSe2 (Me: Tl, In) semiconducting compounds exhibiting chain structure have been attractive ternary materials in various technological devices. In the TlMeSe2 structure, Tl1+ is monovalent while Me3+ i...
Experimental and theoretical investigation of the mechanical characteristics of sillenite compound: Bi12GeO20
Sürücü, Gökhan; Işık, Mehmet; Gencer, Ayşenur; Hasanlı, Nızamı (2021-11-01)
Beyond 3rd generation solar cells and the full spectrum project. Recent advances and new emerging solar cells
Akınoğlu, Bülent Gültekin; Tuncel, Bilge; Badescu, Viorel (2021-08-01)
© 2021 Elsevier LtdSolar cells have over 50-years of development history; many different devices and technologies are studied over this time span, and interestingly it is still a hot research topic. Although the physical m...
Electronic, optical and thermodynamic characteristics of Bi12SiO20 sillenite: First principle calculations
Işık, Mehmet; Sürücü, Gökhan; Gencer, Ayşenur; Hasanlı, Nızamı (2021-07-01)
Single-molecule-resolution ultrafast near-field optical microscopy via plasmon lifetime extension
OVALI, RASİM VOLGA; ŞAHİN, RAMAZAN; Bek, Alpan; TAŞGIN, MEHMET EMRE (2021-06-14)
© 2021 Author(s).Metal nanostructures support plasmon oscillations on their surfaces, which normally decay very quickly. Nevertheless, the lifetime of these oscillations can be extended near a longer lifetime particle, e.g...
Surface Physical Properties of Ion Beam Sputtered Copper Thin Films on Poly Tetrafluoroethylene
Atta, A.; Abdeltwab, E.; Bek, Alpan (2021-06-01)
In this study thin copper (Cu) films are deposited on poly tetrafluoroethylene (PTFE) substrate using ion beam sputtering technique. The films are characterized using Raman spectroscopy, UV-VIS spectroscopy and atomic forc...
Fabrication of flexible, cost-effective, and scalable silver substrates for efficient surface enhanced Raman spectroscopy based trace detection
Khan, Ghazanfar Ali; Demirtas, O. Ozge; Demir, Ahmet Kemal; AYTEKİN, ÖZLEM; Bek, Alpan; Bhatti, Arshad Saleem; Ahmed, Waqqar (2021-06-01)
The fabrication and optimization of cost-effective, eco-friendly, uniform and flexible SERS platforms by facile synthesis routes has recently attracted great attention for trace detection of various analytes. Herein, we re...
Investigation of vibrational, elastic and dielectric properties of cubic gauche nitrogen (cg-N)
Akay, Ö.; Yurtseven, Hasan Hamit (2021-06-01)
© 2021 Elsevier GmbHVibrational, elastic and dielectric properties of the cubic gauche nitrogen (cg-N) are investigated by analyzing the Raman optic and zone-center phonon modes using the literature data. From the pressure...
THE EFFECTS OF PHYSICAL ACTIVITY MOBILE APPLICATION USAGE ON PHYSICAL ACTIVITY LEVEL, PERCEIVED HEALTH AND EXERCISE MOTIVATION IN RECREATIONAL ATHLETES
Numanoğlu, Elif; Hürmeriç Altunsöz, Irmak; Department of Physical Education and Sports (2021-6)
The purpose of this study was to explore the role of physical activity mobile application usage on physical activity level, perceived health, and exercise motivation of recreational athletes. Participants were 245 recreati...
Teorik Parçacık Fizikçisi Gözüyle Açık Veri
Özpineci, Altuğ (2021-05-26)
Defect characterization in Bi12GeO20 single crystals by thermoluminescence
Delice, S.; Isik, M.; SARIGÜL, NESLİHAN; Hasanlı, Nızamı (2021-05-01)
Bi12GeO20 single crystal grown by Czochralski method was investigated in terms of thermoluminescence (TL) properties. TL experiments were performed for various heating rates between 1 and 6 K/s in the temperature region of...
Structural and temperature-tuned bandgap characteristics of thermally evaporated beta-In2S3 thin films
Surucu, O.; Isik, M.; Terlemezoglu, M.; Hasanlı, Nızamı; Parlak, M. (2021-05-01)
In2S3 is one of the attractive compounds taking remarkable interest in optoelectronic device applications. The present study reports the structural and optical characteristics of thermally evaporated beta-In2S3 thin films....
Strong BQQ′∗BQQ′V vertices and the radiative decays of BQQ∗→BQQγ in the light-cone sum rules
Alıyev, Tahmasıb; Barakat, T.; Şimşek, K. (2021-05-01)
© 2021, The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature.The strong coupling constants of spin-3/2 to spin-1/2 doubly heavy baryon transitions w...
Heavy Z′ bosons in the secluded U(1) ′ model at hadron colliders
Frank, Mariana; Selbuz, Levent; Turan, İsmail (2021-05-01)
© 2021, The Author(s).We study Z′ phenomenology at hadron colliders in an U(1) ′ extended MSSM. We choose a U(1) ′ model with a secluded sector, where the tension between the electroweak scale and developing a large enough...
The Kerr-Schild double copy in Lifshitz spacetime
ALKAÇ, GÖKHAN; Gümüş, Mehmet Kemal; Tek, Mustafa (2021-05-01)
© 2021, The Author(s).The Kerr-Schild double copy is a map between exact solutions of general relativity and Maxwell’s theory, where the nonlinear nature of general relativity is circumvented by considering solutions in th...
Approximate analytical description of apparent horizons for initial data with momentum and spin
Altas, Emel; Tekin, Bayram (2021-04-21)
© 2021 American Physical Society.We construct analytical initial data for a slowly moving and rotating black hole for generic orientations of the linear momentum and the spin. We solve the Hamiltonian constraint approximat...
Designing, implementing, and evaluatİng a professİonal learning community for group exercise instructors
Mehrtash, Shabnam; İnce, Mustafa Levent; Department of Physical Education and Sports (2021-4-07)
This study aimed to develop, implement, and evaluate a Professional Learning Community (PLC) intervention for the Group Exercise Instructors (GEIs) working in a university setting "Sport for Health" program. To this end, i...
Spectral splitting and concentration of broadband light using neural networks
Yolalmaz, Alim; Yüce, Emre (2021-04-01)
Compact photonic elements that control both the diffraction and interference of light offer superior performance at ultra-compact dimensions. Unlike conventional optical structures, these diffractive optical elements can p...
First principles study of Bi12GeO20: Electronic, optical and thermodynamic characterizations
Işık, Mehmet; Sürücü, Gökhan; Gencer, Ayşenur; Hasanlı, Nızamı (2021-04-01)
Bismuth germanium oxide (Bi12GeO20) is one of the attractive members of sillenite compounds having fasci-nating photorefractive characteristics. The electronic, optical and thermodynamic properties of Bi12GeO20 were invest...
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