Doctors of Sciences

Place of Birth: Republic of Azerbaijan, Neftichala vil.

Date of Birth: 05.04.1952

Education: Azerbaijan State University

Scientific degree: Doctor of Physical and Mathematical Sciences

Title: Corresponding member of ANAS, professor

Topic of PhD thesis:
- specialty code: 01.04.07
- specialty name: Physica Status solidi
- topic name: Dielectric and pyroelectric analyses of phase transitions of some oxygen-octahedral spontaneous-polarized crystals

Topic of doctoral thesis:
- specialty code: 01.04.10
- specialty name: Semiconductors and dielectrics
- topic name: Relaxor ferroelectrics on the base of TlInS₂ and TlGaSe₂ crystals

Total number of scientific publications: 191

Number of scientific publications printed abroad: 43

Number of papers published in journals indexed and abstracted in international databases: 33

Number of patents and certificates of authorship: 1

Staff training:
- number of PhD: 4
- number of Doctor of sciences: 1

Main scientific achievements:
1. It has been given regularities for successive phase transitions in spontaneous-polarized crystals.
2. It has been revealed a new class of relaxation ferroelectrics on the base of TlInS₂ and TlGaSe₂ crystals.
3. It has been determined super-ionic conductivity in TlGaTe₂, TlİnTe₂ and TlInSe₂.

Titles of main five scientific publications:
1. Ferroelectricity and polytypism in TlGaSe₂ crystals. Solid State Com, 1991, v.77, N.6, 453
2. The spontaneous relaxor-ferroelectric transition of TlInS₂ with cationic impurities. Journal of Optoelectronics and Advanced Materials (JOAM), 2003, v.5, No.3, 276
3. Relaxor properties of TlInS₂ composites with nanodomain state. Ferroelectrics, 2004, v.298, 275.
4. Релаксорные свойства и механизм проводимости γ -облученных кристаллов TlInS₂. ФТТ, 2005, т.47, вып.9, 1665
5. Dielectric properties, conduction mechanism and possibility of nanodomain state with quantum dot formation in gamma-irradiated impurity-doped incommensurate TlInS₂.Physica Status solidi (A}2006, 203, No. 11,2845
6. Conduction anisotrjpy of intercalated relaxor TlInS₂ferroelectrics. Russia /CIS/ Baltik /Japan Symposium on Ferroelectricity RCBJSF-9,Vilnius,Lathuania,2008.561
7.Features of conductivity anisotropy of intercalated nanodimensional relaxor TlInS₂. Journal”ScientificIsrael-Technological Advantages” Material engineering ,2009, v.11,no.1,99
8. Особенности проводимости γ – облученных кристаллов TlGaTe₂ с наноцепочечной структурой. ФТП, 2010,том 44, вып.5, 610
9. Гигантская диэлектрическая релаксация в кристаллах TlGaTe₂.ФТТ, 2011, т.53, вып.8, 1488
10. Суперионная проводимость кристаллах В TlGaTe₂ .ФТП, 2011,том 45, вып.8, 1009
11. Superionic conductivity in One-Dimensional Nanofibrous TiGaTe₂ Crystals.
Japanese J.Appl.Physics.50 (2011) ,05FCO9-1
12. Суперионнaя проводимость,эффекты переключения и памяти в кристаллах TlInTe₂ и TlInSe₂. ФТП, 2011,том 45, вып.11, 1441
13. Superionic Conductivity and γ -Radiation-Induced Effects in Nanofibrous TlGaTe₂ Crystals. International Journal of .Theoretical and Applied Nanotechnology.vol.1,Isse1, 2012.p.20-28. 14.Ионная проводимость и диэлектрическая релаксация в кристаллах TlGaTe₂ облученных γ – квантами. ФТП, 2013, т. 47, в. 5. с.696-701.
15. Поляризация вызванная объёмными зарядами, и ионная проводимость в кристаллах TlInSe₂. ФТП, 2014, т. 48, в. 4. с.442-447.
16. Prospective Application of A³B³C⁶₂ Type Semiconductors for Developing Nano-size Electronic Devices. International Journal of Theoretical and Applied Nanotechnology Volume 2, Issue 1, Year 2014 Journal ISSN: 1929-2724 DOI: 10.11159/ijtan.2014.00
17. Impedance spectroscopy study of phase transitions to ionic and superionic conductivity states in Ag₂S and Ag₂Se. Physica status solidi (С).Apr 24, 2015, 1–5 (2015) / DOI 10.1002/pssc.201400366. 18. Temperature dependent spectroscopic ellipsometry of Ag₂Se and Ag₂S with phase transitions from ionic to superionic conductivity state. Physica status solidi (С).5 MAY 2015,DOI: 10.1002/pssc.201400367
19. Investigating the dielectric properties and low-frequency relaxation process of TlGaSe2 crystals, Modern Physics Letters B, 1750134, 2017, World Scientif. Publish.
20. High-temperature phaze transitions in TLİnTe₂ crystals, Journal of Applied Physics, 123, 135701-1, 2018, p.1-9.
21. Impact of γ-irradiation on dielectric and electric properties of TlInS₂ crystals, Вопросы атомной науки и техники (ВАНТ), ISSN 1562-6016. PASТ. 2019. №2(120), p. 30-33

Awards and prizes:
Honorary diploma of ANAS

Place of work and its address:
Institute of Radiation Problems of the Ministry of Science and Education, 9, B.Vahabzade str., AZ1143, Baku, Azerbaijan Republic

Position: Chef of laboratory

Office phone: (+994 12) 5393391
Home phone: (+994 12) 3717002
Mobile phone: (+994 50) 3100360
E-mail: oktaysamedov9@gmail.com