Temperature studies of optical parameters of (Ag3AsS3)0.6(As2S3)0.4 thin films prepared by rapid thermal evaporation and pulse laser deposition

Studenyak, I. P.; Kutsyk, M. M.; Buchuk, M.Yu.; Rati, Y.Y.; Neimet, Yu. Yu.; Izai, Vitalii; Kökényesi, S.; Němec, Petr

doi:10.1016/j.optmat.2015.12.030

Cited by 7 publications

(6 citation statements)

References 28 publications

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“…The coordinates of the Urbach bundle convergence point α 0 and E 0 for the sandwich structure as well as for (Ag 3 AsS 3 ) 0.6 (As 2 S 3 ) 0.4 thin film are given in Table. Temperature behaviour of the Urbach absorption edge in the sandwich structure, similarly to (Ag 3 AsS 3 ) 0.6 (As 2 S 3 ) 0.4 thin film [13,14], is explained by electron-phonon interaction (EPI). The EPI parameters are obtained from the temperature dependence of absorption edge steepness parameter (Fig.…”

Section: Resultsmentioning

confidence: 96%

“…4) that the optical absorption edge spectra in the range of their exponential behaviour in the sandwich structure, similarly to (Ag 3 AsS 3 ) 0.6 (As 2 S 3 ) 0.4 thin film [13,14], are described by the Urbach rule [20]:…”

Section: Resultsmentioning

confidence: 98%

“…[13,14]. A typical Urbach bundle was observed, temperature dependences of the energy pseudogap and Urbach energy were obtained.…”

Section: Introductionmentioning

confidence: 87%

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Temperature studies of optical absorption in the sandwich structure based on (Ag3AsS3)0.6(As2S3)0.4 thin film and gold nanoparticles

Studenyak¹

2018

Semicond. Phys. Quantum Electron. Optoelectron.

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Abstract. (Ag 3 AsS 3 ) 0.6 (As 2 S 3 ) 0.4 thin films deposited using the thermal evaporation technique onto glass substrates previously covered with layers of gold nanoparticles were studied. Optical transmission spectra of the sandwich structure were studied within the temperature range 77-300 K. The absorption spectra in the region of its exponential behaviour were analyzed, the dispersion dependences of refractive index as well as the temperature dependences of the energy pseudogap and Urbach energy were investigated. The disordering processes in the sandwich structure were discussed. The comparative analyses of optical parameters in single (Ag 3 AsS 3 ) 0.6 (As 2 S 3 ) 0.4 layer and in the sandwich structure were performed.

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Section: Resultsmentioning

confidence: 96%

Section: Resultsmentioning

confidence: 98%

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Temperature studies of optical absorption in the sandwich structure based on (Ag3AsS3)0.6(As2S3)0.4 thin film and gold nanoparticles

Studenyak¹

2018

Semicond. Phys. Quantum Electron. Optoelectron.

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“…In Ref. [11], we have reported on the temperature behavior of optical absorption edge and refractive index in (Ag 3 AsS 3 ) 0.6 (As 2 S 3 ) 0.4 thin films, while the photoinduced changes were investigated in Ref. [12].…”

Section: Introductionmentioning

confidence: 99%

Compositional studies of optical parameters in (Ag3AsS3)x(As2S3)1–x (x = 0.3; 0.6; 0.9) thin films

Studenyak¹

2016

Semicond. Phys. Quantum Electron. Optoelectron.

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Abstract. (Ag 3 AsS 3 ) x (As 2 S 3 ) 1-x (x = 0.3; 0.6; 0.9) thin films were deposited onto a silica substrate by rapid thermal evaporation. The amount of Ag-rich crystalline phase precipitates on the surfaces of the films increases with Ag 3 AsS 3 content. It has been shown that the absorption edge spectra are described by the Urbach rule. The temperature behaviour of absorption spectra was studied, the temperature dependences of energy position of absorption edge and Urbach energy were also investigated. The influence of compositional disordering due to Ag 3 AsS 3 introduction into As 2 S 3 on the optical parameters of (Ag 3 AsS 3 ) x (As 2 S 3 ) 1-x thin films were analyzsed. The spectral, temperature and compositional behaviour of refractive index for (Ag 3 AsS 3 ) x (As 2 S 3 ) 1-x thin films were studied.

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“…[1][2][3][4][5][6]. Se based chalcogenide alloys have emerged as a promising material due to their large potential applications in holography, e-beam recording and digital X-ray imaging [7,8].…”

Section: Introductionmentioning

confidence: 99%

Spectroscopic investigations of polycrystalline In_xSb_20−xAg₁₀Se₇₀ (0 ⩽ × ⩽ 15) multicomponent chalcogenides

Sharma

Kumar

et al. 2016

Materials Science-Poland

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The composition dependence of physical properties of chalcogenides has recently been studied for their phase change properties and energy conversion. In the present work, we report the structure, composition, optical and Raman spectroscopy results for bulk polycrystalline In x Sb 20 − x Ag 10 Se 70 (0 x 15) samples. The phase quantification and composition have been studied by using XRD and EDX techniques. The alloy composition up to 5 at.% of indium resulted in crystallization of AgSbSe 2 , while further increase in In content favored the formation of another chalcopyrite AgInSe 2 phase yielding the solid solutions for this alloy system. A decrease in band gap up to x = 5 followed by its increase with an increase in indium concentration has been observed. The variations in shape and position of characteristic Raman bands has been used for understanding the structural modifications of the network with the variation in indium content.

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Temperature studies of optical parameters of (Ag3AsS3)0.6(As2S3)0.4 thin films prepared by rapid thermal evaporation and pulse laser deposition

Cited by 7 publications

References 28 publications

Temperature studies of optical absorption in the sandwich structure based on (Ag3AsS3)0.6(As2S3)0.4 thin film and gold nanoparticles

Temperature studies of optical absorption in the sandwich structure based on (Ag3AsS3)0.6(As2S3)0.4 thin film and gold nanoparticles

Compositional studies of optical parameters in (Ag3AsS3)x(As2S3)1–x (x = 0.3; 0.6; 0.9) thin films

Spectroscopic investigations of polycrystalline In_xSb_20−xAg₁₀Se₇₀ (0 ⩽ × ⩽ 15) multicomponent chalcogenides

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Temperature studies of optical parameters of (Ag3AsS3)0.6(As2S3)0.4 thin films prepared by rapid thermal evaporation and pulse laser deposition

Cited by 7 publications

References 28 publications

Temperature studies of optical absorption in the sandwich structure based on (Ag3AsS3)0.6(As2S3)0.4 thin film and gold nanoparticles

Temperature studies of optical absorption in the sandwich structure based on (Ag3AsS3)0.6(As2S3)0.4 thin film and gold nanoparticles

Compositional studies of optical parameters in (Ag3AsS3)x(As2S3)1–x (x = 0.3; 0.6; 0.9) thin films

Spectroscopic investigations of polycrystalline InxSb20−xAg10Se70 (0 ⩽ × ⩽ 15) multicomponent chalcogenides

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Spectroscopic investigations of polycrystalline In_xSb_20−xAg₁₀Se₇₀ (0 ⩽ × ⩽ 15) multicomponent chalcogenides