Nızamı Hasanlı

E-mail

nizami@metu.edu.tr

Department

Department of Physics

ORCID

0000-0002-3199-6686

Scopus Author ID

35580905900

Web of Science Researcher ID

ABA-2249-2020

Temperature-dependent tuning of band gap of Fe3O4 nanoparticles for optoelectronic applications Delice, S.; Isik, M.; Hasanlı, Nızamı (2024-04-01) We have investigated structural, morphological and temperature dependent absorption characteristics of Fe3O4 nanoparticles. X-ray diffraction pattern exhibited six diffraction peaks belonging to the cubic phase structure w...
Revealing defect centers in PbWO4 single crystals using thermally stimulated current measurements Isik, M.; Hasanlı, Nızamı (2024-02-28) The trap centers have a significant impact on the electronic properties of lead tungstate (PbWO4), suggesting their crucial role in optoelectronic applications. In the present study, we investigated and revealed the presen...
Characterization of linear and nonlinear optical properties of NaBi(WO4)2 crystal by spectroscopic ellipsometry Isik, M.; Guler, I.; Hasanlı, Nızamı (2024-02-01) NaBi(WO4)2 compound has been a material of considerable attention in optoelectronic applications. The present research, in which we examined the linear and nonlinear optical properties of NaBi(WO4)2 crystal using the spect...
Growth and optical properties of (Na0.5Bi0.5)(Mo1−xWx)O4 (x = 0.25) single crystal: a potential candidate for optoelectronic devices Guler, I.; Isik, M.; Hasanlı, Nızamı (2024-01-01) Double tungstates (DT) and double molybdates (DM) have significant importance because of their optoelectronic applications. Regarding the importance of DT and DM, we investigated experimentally structural and optical prope...
Thermally controlled band gap tuning in CuO nano thin films for optoelectronic applications Delice, S.; Isik, M.; Hasanlı, Nızamı (2024-01-01) Temperature dependency of band gap in CuO nano thin films has been investigated by virtue of transmission experiments at different temperatures. Structural and morphological characterization were achieved using X-ray diffr...
Exploring the linear and nonlinear optical behavior of (TlInS2)0.75(TlInSe2)0.25: Insights from ellipsometry measurements Isik, M.; Guler, I.; Hasanlı, Nızamı (2023-11-15) The search for layered structured new semiconductor materials with remarkable optical properties has become a driving force, especially for materials science. Tl2In2S3Se [(TlInS2)0.75(TlInSe2)0.25], a fascinating compound,...
Temperature-dependent optical properties of TiO2 nanoparticles: a study of band gap evolution Isik, Mehmet; Delice, Serdar; Hasanlı, Nızamı (2023-10-01) In this study, we present the first comprehensive investigation of the temperature-dependent band gap energy of anatase TiO2 nanoparticles, utilizing transmission measurements in the range of 10–300 K. X-ray diffraction pa...
Temperature-dependent current–voltage characteristics of p-GaSe0.75S0.25/n-Si heterojunction Isik, M.; Surucu, O.; Hasanlı, Nızamı (2023-08-01) GaSe0.75S0.25 having layered structure is a potential semiconductor compound for optoelectronics and two-dimensional materials technologies. Optical and structural measurements of the GaSe0.75S0.25 thin film grown on the g...
Tunable nonlinear absorption and optical limiting behavior of NaBi(MoxW1-xO4)(2) single crystals with ratio of Molybdenum/Tungsten PEPE, YASEMİN; YILDIZ, ELİF; Isik, Mehmet; KARATAY, AHMET; Hasanlı, Nızamı; ELMALI, AYHAN (2023-07-01) The compositional effect of Mo/W ratio on linear, nonlinear absorption and optical limiting behavior of the NaBi(MoxW1-xO4)(2) single crystals grown by Czochralski technique was investigated. X-ray diffraction patterns of ...
Excitation wavelength dependent nonlinear absorption mechanisms and optical limiting properties of Bi12SiO20 single crystal Doğan, Anıl; KARATAY, AHMET; Isık, Mehmet; PEPE, YASEMİN; Hasanlı, Nızamı; ELMALI, AYHAN (2023-06-01) Nonlinear absorption mechanisms (NA), excitation wavelength dependence, and defect states of Bi12SiO20 (BSO) single crystal were investigated. The band gap and Urbach energies were found to be 2.51 and 0.4 eV from the abso...

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