Kurum Yazarı "Sevik, Cem" Makale Koleksiyonu İçin Listeleme
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CVD grown 2D MoS2 layers: A photoluminescence and fluorescence lifetime imaging study
Özden, Ayberk; Sar, Hüseyin; Yeltik, Aydan; Madenoğlu, Büşra; Sevik, Cem; Ay, Feridun; Perkgöz, Nihan Kosku (Wiley-V C H Verlag GMBH, 2016)In this letter, we report on the fluorescence lifetime imaging and accompanying photoluminescence properties of a chemical vapour deposition (CVD) grown atomically thin material, MoS2. mu-Raman, mu-photoluminescence (PL) ... -
CVD growth of monolayer MoS2: Role of growth zone configuration and precursors ratio
Özden, Ayberk; Ay, Feridun; Sevik, Cem; Perkgöz, Nihan Kosku (IOP Publishing LTD, 2017)Single-layer, large-scale two-dimensional material growth is still a challenge for their wide-range usage. Therefore, we carried out a comprehensive study of monolayer MoS2 growth by CVD investigating the influence of ... -
First-principles investigation of titanium doping into beta-SiAlON crystal in TiN-SiAlON composites for EDM applications
Kandemir, Ali; Sevik, Cem; Yurdakul, Hilmi; Turan, Servet (Elsevier Science Sa, 2015)Following the experimental work on the incorporation of titanium into beta-SiAlON crystal in TiN-SiAlON composites for electrical discharge machining (EDM) applications, Ti doping mechanisms in beta-Si6-z AlzOzN8-z have ... -
Tailoring thermal conductivity of silicon/germanium nanowires utilizing core-shell architecture
Sarıkurt, Sevil; Özden, A.; Kandemir, A.; Sevik, Cem; Kınacı, A.; Haskins, J. B.; Çağın, T. (Amer Inst Physics, 2016)Low-dimensional nanostructured materials show large variations in their thermal transport properties. In this work, we investigate the influence of the core-shell architecture on nanowire (1D) thermal conductivity and ... -
Thermal conductivity engineering of bulk and one-dimensional Si-Ge nanoarchitectures
Kandemir, Ali; Özden, Ayberk; Çağın, Tahir; Sevik, Cem (Taylor & Francis LTD, 2017)Various theoretical and experimental methods are utilized to investigate the thermal conductivity of nanostructured materials; this is a critical parameter to increase performance of thermoelectric devices. Among these ... -
Thermal Conductivity Suppression in Nanostructured Silicon and Germanium Nanowires
Özden, Ayberk; Kandemir, Ali; Ay, Feridun; Perkgöz, Nihan Kosku; Sevik, Cem (Springer, 2016)The inherent low lattice thermal conductivity (TC) of semiconductor nanowires (s-NW) due to one-dimensional phonon confinement might provide a solution for the long-lasting figure-of-merit problem for highly efficient ... -
Thermal transport properties of MoS2 and MoSe2 monolayers
Kandemir, Ali; Yapıcıoğlu, Haluk; Kınacı, Alper; Çağın, Tahir; Sevik, Cem (IOP Publishing LTD, 2016)The isolation of single- to few-layer transition metal dichalcogenides opens new directions in the application of two-dimensional materials to nanoelectronics. The characterization of thermal transport in these new ... -
Vibrational and mechanical properties of single layer MXene structures: a first-principles investigation
Yorulmaz, Uğur; Özden, Ayberk; Perkgöz, Nihan Kosku; Ay, Feridun; Sevik, Cem (IOP Publishing LTD, 2016)MXenes, carbides, nitrides and carbonitrides of early transition metals are the new members of two dimensional materials family given with a formula of Mn+1 X-n. Recent advances in chemical exfoliation and CVD growth of ...