Assoc. Prof. ÖMER SEVGİLİ

Publication Network

Articles 48

1. Characterization and photodiode applications of walnut husk extract and of metal juglonate complexes synthesized using this extract

Uzun İ., Orak İ., SEVGİLİ Ö., Karakaplan M.

Materials Science and Engineering: B , vol.329, 2026 (SCI-Expanded, Scopus)

2. Analysis of the Behavior of Ag/Mg3N2/p-Si Schottky Diodes Based on Impedance and Dielectric Properties

SEVGİLİ Ö., Orak İ.

JOM , vol.78, no.5, pp.5018-5027, 2026 (SCI-Expanded, Scopus)

3. Characterization and photodiode applications of henna solution dissolved in methanol and of metal lawsonate complexes synthesized using this solution

Uzun İ., Orak İ., SEVGİLİ Ö., Karakaplan M.

Materials Science and Engineering: B , vol.324, 2026 (SCI-Expanded, Scopus)

4. The comparison of the current transformer mechanism for open/closed form of rhodamine-quinone-methide hybrids

Ardahanlı R., SEVGİLİ Ö., LAFZİ F., KILIÇ H., Orak İ., Bayindir S.

Journal of Physics D: Applied Physics , vol.59, no.2, 2026 (SCI-Expanded, Scopus)

5. Effect of SbI3 on electrical properties in metal-insulator-semiconductor (MIS) structure

Sevgili Ö., Orak İ., Özen A.

Physica B: Condensed Matter , vol.716, 2025 (SCI-Expanded, Scopus)

6. Investigation and comparison of various properties of diodes made using PTCDA and its synthesized ligand and brominated derivative

Uzun İ., Orak İ., SEVGİLİ Ö., Karakaplan M.

Materials Science and Engineering: B , vol.317, 2025 (SCI-Expanded, Scopus)

7. The role of NiO in isotype heterojunction photodiodes

SEVGİLİ Ö., Orak İ., Özel S. S., ÖZEL F.

Physica Scripta , vol.100, no.6, 2025 (SCI-Expanded, Scopus)

8. Surface states and series resistance effects in Au/(HgS-PVA)/n-Si capacitors

SEVGİLİ Ö., Taşçıoğlu İ., Boughdachi S., ALTINDAL YERİŞKİN S., AZIZIAN-KALANDARAGH Y.

Journal of Materials Science: Materials in Electronics , vol.36, no.15, 2025 (SCI-Expanded, Scopus)

9. On comparison of Au/n-Si (MS) Schottky diodes with and without (Brushite + Monetite: PVC) an interlayer grown by spin coating technique

SEVGİLİ Ö., ŞAFAK ASAR Y., ALTINDAL Ş., ULUSOY M., AZIZIAN-KALANDARAGH Y.

Electrical Engineering , vol.107, no.5, pp.6693-6704, 2025 (SCI-Expanded, Scopus)

10. Detailed analysis of possible current-transport mechanisms (CTMs) in Au/(P3DMTFT)/n-GaAs Schottky diodes (SDs) in a wide range of temperature

Kansız Y., SEVGİLİ Ö., ÖZDEMİR A. F., ALDEMİR D. A., Abdolahpour Salari M., ALTINDAL Ş.

Physica B: Condensed Matter , vol.700, 2025 (SCI-Expanded, Scopus)

11. The plant-based photodiode with Stachys lavandulifolia interfacial layer

Özer S., SEVGİLİ Ö., Yapar Y., Orak İ.

Sensors and Actuators A: Physical , vol.382, 2025 (SCI-Expanded, Scopus)

12. The photodiode performances of NDI-appended ruthenium complexes

Seven S., Yigit E., Bayindir S., Akman F., Sevgili Ö., Dayan O., et al.

Nano Express , vol.5, no.2, 2024 (ESCI, Scopus)

13. The capacitance/conductance and surface state intensity characteristics of the Al/(CMAT)/p-Si structures

ÇETİNKAYA H. G., Bengi S., SEVGİLİ Ö., ALTINDAL Ş.

Physica Scripta , vol.99, no.2, 2024 (SCI-Expanded, Scopus)

14. Impact of rectifier metal-semiconductor contact geometry on electrical properties of Schottky diodes with Mg3N2 interfacial layer

Sevgili Ö., Orak İ.

Journal of Physics Condensed Matter , vol.36, no.2, 2024 (SCI-Expanded, Scopus)

15. The electrical and photophysical performances of axially-substituted naphthalene diimide-based small molecules as interface layer

Bayindir S., Yigit E., Akman F., SEVGİLİ Ö., Orak İ., DAYAN O.

Materials Science and Engineering B: Solid-State Materials for Advanced Technology , vol.294, 2023 (SCI-Expanded, Scopus)

16. The electrical, and photosensitive behavior of diodes with rare earth elements (Yb and Er) doped sodium yttrium fluoride interfacial layer

Yiğit E., Sevgili Ö., Orak İ.

Physica Scripta , vol.98, no.5, 2023 (SCI-Expanded, Scopus)

17. Investigation of dielectric relaxation and ac conductivity in Au/(carbon nanosheet-PVP composite)/n-Si capacitors using impedance measurements

ŞAFAK ASAR Y., SEVGİLİ Ö., ALTINDAL Ş.

Journal of Materials Science: Materials in Electronics , vol.34, no.10, 2023 (SCI-Expanded, Scopus)

18. Electrical properties of Al/p-Si diode with AlN interface layer under temperature and illumination stimuli for sensing applications

Yiğit E., SEVGİLİ Ö., Orak İ.

Applied Physics A: Materials Science and Processing , vol.129, no.3, 2023 (SCI-Expanded, Scopus)

19. The synthesis and photoelectrical performances of perylenediimide-based devices as an interface layer in metal-organic-semiconductors

Yigit E., SEVGİLİ Ö., Bayindir S., Akman F., Orak I., DAYAN O.

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS , vol.286, 2022 (SCI-Expanded, Scopus)

20. The examination of the electrical properties of Al/Mg2Si/p-Si Schottky diodes with an ecofriendly interfacial layer depending on temperature and frequency

Sevgili Ö., Orak İ., Tiras K. S.

Physica E: Low-Dimensional Systems and Nanostructures , vol.144, 2022 (SCI-Expanded, Scopus)

21. The diode and photodiode performances of BaZrO3 perovskite-based device under the influence of thermal and light external stimuli

Orak İ., Karabulut A., Yiğit E., Sevgili Ö., Ruşen A., Ozel F.

Sensors and Actuators A: Physical , vol.337, 2022 (SCI-Expanded, Scopus) Sustainable Development

22. Synthesis of canthaxanthin from β-carotene and evaluation of both substances in diode construction

Uzun İ., Orak İ., Sevgili Ö., Yiğit E., Karakaplan M.

Journal of Materials Science: Materials in Electronics , vol.33, no.4, pp.1888-1898, 2022 (SCI-Expanded, Scopus)

23. The surface and electrical properties of the Al/Ba2P2O7/p-Si heterojunctions in wide range of temperature and frequency

Sevgili Ö., Özel F., Ruşen A., Yiğit E., Orak İ.

Surfaces and Interfaces , vol.28, 2022 (SCI-Expanded, Scopus)

24. Optical and Electrical Properties of Pyrene–Imine Organic Interface Layer Based on p-Si

Yeşildağ A., Erdoğan M., Sevgili Ö., Çaldıran Z., Orak İ.

Journal of Electronic Materials , vol.50, no.11, pp.6448-6458, 2021 (SCI-Expanded, Scopus) Sustainable Development

25. The current transformer mechanism and structural properties of novel Al/BODIPY/pSi and Au/BODIPY/pSi heterojunctions

Sevgili Ö., Tasyürek L. B., Bayindir S., Orak I., Caliskan E.

Materials Science in Semiconductor Processing , vol.130, 2021 (SCI-Expanded, Scopus) Sustainable Development

26. Terbiyum (Tb) Katkılı Arayüzeyin Al/p-Si Schotkky Diyotların Elektrik Karakteristikleri Üzerine Etkisi

SEVGİLİ Ö.

International Journal of Pure and Applied Sciences , vol.7, no.2, pp.219-228, 2021 (TRDizin)

27. The investigation of the electrical characteristics and photo-response properties of the Al/(CMAT)/p-Si structures

Sevgi̇li̇ Ö.

Solid State Sciences , vol.117, 2021 (SCI-Expanded, Scopus) Sustainable Development

28. Termal Buharlaştırma Yöntemiyle Hazırlanan Al/TiO2/p-Si Schottky Diyotun Elektriksel Özelliklerinin Sıcaklık ve Aydınlanma Şiddetine Bağlı İncelenmesi

SEVGİLİ Ö.

Türk Doğa ve Fen Dergisi , vol.10, no.1, pp.275-283, 2021 (TRDizin)

29. The investigation of the complex dielectric and electric modulus of Al/Mg2Si/p-Si Schottky diode and its AC electrical conductivity in a wide frequency range

Sevgili Ö.

TURKISH JOURNAL OF PHYSICS , vol.45, no.3, pp.159-168, 2021 (ESCI, Scopus, TRDizin)

30. The synthesis, current transformer mechanism and structural properties of novel rhodanine-based Al/Bis(Rh)-Ph/p-Si and Al/Bis(Rh)-TPE/p-Si heterojunctions

Karabulut A., Lafzi F., Bayindir S., Sevgili Ö., Orak I.

Journal of Molecular Structure , vol.1231, 2021 (SCI-Expanded, Scopus)

31. Determining the potential barrier presented by the interfacial layer from the temperature induced I–V characteristics in Al/p-Si Structure with native oxide layer

Özdemir M., Sevgili Ö., Orak I., Turut A.

Materials Science in Semiconductor Processing , vol.125, 2021 (SCI-Expanded, Scopus)

32. On the examination of temperature-dependent possible current-conduction mechanisms of Au/(nanocarbon-PVP)/n-Si Schottky barrier diodes in wide range of voltage

Sevgili Ö.

Journal of Materials Science: Materials in Electronics , vol.32, no.8, pp.10112-10122, 2021 (SCI-Expanded, Scopus)

33. The investigation of current condition mechanism of Al/Y2O3/p-Si Schottky barrier diodes in wide range temperature and illuminate

Sevgili Ö., Orak İ.

Microelectronics Reliability , vol.117, 2021 (SCI-Expanded, Scopus)

34. A comparison study regarding Al/p-Si and Al/(carbon nanofiber–PVP)/p-Si diodes: current/impedance–voltage (I/Z–V) characteristics

Sevgili Ö., Yıldırım M., Azizian-Kalandaragh Y., ALTINDAL Ş.

Applied Physics A: Materials Science and Processing , vol.126, no.8, 2020 (SCI-Expanded, Scopus) Sustainable Development

35. Frequency and voltage dependence of electrical and dielectric properties in metal-interfacial layer-semiconductor (MIS) type structures

Sevgili Ö., Azizian-Kalandaragh Y., ALTINDAL Ş.

Physica B: Condensed Matter , vol.587, 2020 (SCI-Expanded, Scopus)

36. Frequency-Dependent Admittance Analysis of Au/n-Si Structure with CoSO4-PVP Interfacial Layer

Taşçıoğlu İ., Sevgili Ö., Azizian-Kalandaragh Y., ALTINDAL Ş.

Journal of Electronic Materials , vol.49, no.6, pp.3720-3727, 2020 (SCI-Expanded, Scopus)

37. Characterization of aluminum 8-hydroxyquinoline microbelts and microdots, and photodiode applications

Sevgili Ö., Canlı S., Akman F., Orak I., Karabulut A., Yıldırım N.

Journal of Physics and Chemistry of Solids , vol.136, 2020 (SCI-Expanded, Scopus) Sustainable Development

38. The Effect of Measurement Frequency on Dielectric Characteristics in Al/P-Si Structures with Interfacial Native Oxide Layer

Özdemir M. C., SEVGİLİ Ö., ORAK İ., TURUT A.

Journal of the Institute of Science and Technology , vol.10, no.1, pp.91-100, 2020 (TRDizin)

39. Investigation of the efficiencies of the (SnO2-PVA) interlayer in Au/n-Si (MS) SDs on electrical characteristics at room temperature by comparison

Bilkan Ç., Azizian-Kalandaragh Y., Sevgili Ö., ALTINDAL Ş.

Journal of Materials Science: Materials in Electronics , vol.30, no.23, pp.20479-20488, 2019 (SCI-Expanded, Scopus)

40. Effect of measurement frequency on admittance characteristics in Al/p-Si structures with interfacial native oxide layer

Özdemir M. C., SEVGİLİ Ö., ORAK İ., TURUT A.

International Journal of Chemistry and Technology , vol.3, no.2, pp.129-135, 2019 (TRDizin)

41. The synthesis of new bola-amphiphile TPEs and the comparison of current transformer mechanism and structural properties for Al/Bis(HCTA)-TPE/p-Si and Al/Bis(HCOA)-TPE/p-Si heterojunctions

Sevgili Ö., Lafzi F., Karabulut A., Orak İ., Bayındır S.

Composites Part B: Engineering , vol.172, pp.226-233, 2019 (SCI-Expanded, Scopus) Sustainable Development

42. Examination of dielectric response of Au/HgS-PVA/n-Si (MPS)structure by impedance spectroscopy method

Sevgili Ö., Taşçoığlu İ., Boughdachi S., Azizian-Kalandaragh Y., ALTINDAL Ş.

Physica B: Condensed Matter , vol.566, pp.125-135, 2019 (SCI-Expanded, Scopus)

43. The Structural and Electrical Properties of the Au/n-Si (MS) Diodes with Nanocomposites Interlayer (Ag-Doped ZnO/PVP) by Using the Simple Ultrasound-Assisted Method

ALTINDAL Ş., Sevgili Ö., Azizian-Kalandaragh Y.

IEEE Transactions on Electron Devices , vol.66, no.7, pp.3103-3109, 2019 (SCI-Expanded, Scopus)

44. The fabrication of Al/p-Si (MS) type photodiode with (%2 ZnO-doped CuO) interfacial layer by sol gel method and their electrical characteristics

ÇETİNKAYA H. G., Sevgili Ö., ALTINDAL Ş.

Physica B: Condensed Matter , vol.560, pp.91-96, 2019 (SCI-Expanded, Scopus)

45. A comparison of electrical parameters of Au/n-Si and Au/(CoSO 4 –PVP)/n-Si structures (SBDs) to determine the effect of (CoSO 4 –PVP) organic interlayer at room temperature

ALTINDAL Ş., Sevgili Ö., Azizian-Kalandaragh Y.

Journal of Materials Science: Materials in Electronics , 2019 (SCI-Expanded, Scopus)

46. The Investigation of Current-Conduction Mechanisms of Te/NaF:CdS/SnO2 Structure in Wide Temperature Range of 80–400 K

Sevgili Ö., YILMAZ Ş., ALTINDAL Ş., BACAKSIZ E., Bilkan Ç.

Proceedings of the National Academy of Sciences India Section A - Physical Sciences , vol.87, no.3, pp.409-417, 2017 (SCI-Expanded, Scopus)

47. Current-conduction mechanism in Au/n-4H-SiC Schottky barrier diodes

Kaya A., SEVGİLİ Ö., ALTINDAL Ş., ÖZTÜRK M. A.

Indian Journal of Pure and Applied Physics , vol.53, no.1, pp.56-65, 2015 (SCI-Expanded, Scopus)

48. Energy density distribution profiles of surface states, relaxation time and capture cross-section in Au/n-type 4H-SiC SBDs by using admittance spectroscopy method

Kaya A., Sevgili Ö., ALTINDAL Ş.

International Journal of Modern Physics B , vol.28, no.17, 2014 (SCI-Expanded, Scopus)

Papers Presented at Peer-Reviewed Scientific Conferences 18

1. The Effect on Electrical Parameters and the Use of (NaYF4:Yb, Er) as an Interface Layer in Schottky Diode Application

YİĞİT E., SEVGİLİ Ö., ORAK İ.

9th International Conference on Materials Science and Nanotechnology for Next Generation, Turkey, 22 - 24 September 2022, (Summary Text)

2. Analyzed of electrical properties of Al/AlN/p-Si Schottky Diode prepared by thermal evaporation

SEVGİLİ Ö.

8th Internatıonal conference on materials science and nanotechnology for next generation (MSNG2021), 14 - 16 July 2021, (Summary Text)

3. The Effect Of The Rare-Earth Elements Doped Interface On The Frequency-Dependent Electrical Characteristics Of Al/p-Si Schottky Diode

SEVGİLİ Ö.

ISARC 2. INTERNATIONAL GOBEKLITEPE SCIENTIFIC STUDIES CONGRESS, Turkey, 20 March 2021, (Summary Text)

4. Electrical Characteristics of Al/(Organic Interlayer)/p-Si Schottky Diodes Under Various Illumination Intensities

SEVGİLİ Ö.

ISPEC 9th International Conference on EngineeringNatural Sciences, 13 - 15 November 2020, (Summary Text)

5. A Comparison Electrical Parameters of Au/n-Si (MS) and Au/(ITO-PVP)/n-Si (MPS) Structures Obtained from the Forward Bias (IV) and Reverse Bias (CV) Characteristics

SEVGİLİ Ö., Azizian Kalandaragh Y., ALTINDAL Ş., Hamdaoui N.

1st International Conference on Optoelectronics, Applied Optics and Microelectronics, 17 - 19 August 2019, (Full Text)

6. The Electrical Characteristics Of Schottky Diode Fabricated with and without the Interface in a Wide Frequency

Şahinkaya M. A., SEVGİLİ Ö., ORAK İ.

Turkish Physical Society 35th International Physich Congress, 4 - 08 September 2019, (Summary Text)

7. Examination of Electrical Properties of Doped Organic Layer/Scottky Diodes

Şahinkaya M. A., SEVGİLİ Ö., ORAK İ.

Turkish Physical Society 34th International Physich Congress, 5 - 09 September 2018, (Summary Text)

8. The Photovoltaik Properties of Al/TiO2/p-Si Schottky Diode

SEVGİLİ Ö., Şahinkaya M. A., ORAK İ., ALTINDAL Ş.

Turkish Physical Society 34th International Physich Congress, 5 - 09 September 2018, (Summary Text)

9. Frequency Dependent on Electric Properties of Al/TiO2-(R-CuWs)/pSi Schottky Diode

SEVGİLİ Ö., Şahinkaya M. A., ORAK İ., ÖZEL F., ALTINDAL Ş.

Turkish Physical Society 34th International Physich Congress, 5 - 09 September 2018, (Summary Text)

10. On the Electrical and Photovoltaic Properties of Al/p-Si Schottky Diode

Şahinkaya M. A., SEVGİLİ Ö., ORAK İ.

Turkish Physical Society 34th International Physich Congress, 5 - 09 September 2018, (Summary Text) Sustainable Development

11. Design and Fabrication of Organic-Silicon Photodiode

Şahinkaya M. A., BAYINDIR S., ORAK İ., SEVGİLİ Ö.

International Conference On Physical Chemistry and Functional Materials, 19 - 21 June 2018, (Summary Text)

12. The Organic Thin Film Characterization and Its Optical and Electrical Band Gap Properties

ORAK İ., SEVGİLİ Ö., AKMAN F.

International Conference On Physical Chemistry and Functional Materials, 19 - 21 June 2018, (Summary Text)

13. The Electrical Characterization Of Organic Interface on Electronic Device

SEVGİLİ Ö., ORAK İ., GEÇİBESLER İ. H., TURUT A.

INTERNATIONAL CONGRESS ON SEMICONDUCTOR MATERIALS AND DEVICESICSMD-2017, 17 - 19 August 2017, (Summary Text)

14. The Investigation of Electrical and Photovoltaic Propertiesof Au/n-GaAs Schottky Diodes Under Dark and Illumination Conditions

SEVGİLİ Ö., bağcı u., ORAK İ.

4th Internatıonal conference on materials science and nanotechnology for next generation (MSNG2017), 28 - 30 June 2017, (Summary Text) Sustainable Development

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