Optical characterization of Ba1-XSrxTiO3 thin film properties using ultraviolet-visible spectroscopy

Dewi, Rahmi

doi:10.1063/5.0003054

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…35,45 In this work, an n value of 3/2 was used for all the investigated PP-thin films as it gave the best linear fitting. α is the absorption coefficient (cm −1 ) which can be related to the absorbance and the optical path within the material (film thickness, d ) as: 46 …”

Section: Resultsmentioning

confidence: 99%

Sustainable plasma polymer encapsulation materials for organic solar cells

2022

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Section: Resultsmentioning

confidence: 99%

Sustainable plasma polymer encapsulation materials for organic solar cells

2022

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“…In addition to vapor deposition methods, chemical solution deposition (CSD) has been employed [ 48 , 49 ]. Common solution preparation methods include metal organic decomposition (MOD) and the sol–gel method [ 50 ]. Compared with the conventional synthesis methods, the sol–gel process is considered a form of nanostructure manipulation [ 51 ].…”

Section: Introductionmentioning

confidence: 99%

Enhanced Spectroscopic Insight into Acceptor-Modified Barium Strontium Titanate Thin Films Deposited via the Sol–Gel Method

Czekaj,

Lisińska-Czekaj

2024

Materials

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In the present paper, composite thin films of barium strontium titanate (BaxSr1−xTiO3) with an acceptor modifier (magnesium oxide—MgO) were deposited on metal substrates (stainless steel type) using the sol–gel method. The composite thin films feature BaxSr1−xTiO3 ferroelectric solid solution as the matrix and MgO linear dielectric as the reinforcement, with MgO concentrations ranging from 1 to 5 mol%. Following thermal treatment at 650 °C, the films were analyzed for their impedance response. Experimental impedance spectra were modeled using the Kohlrausch–Williams–Watts function, revealing stretching parameters (β) in the range of approximately 0.78 to 0.89 and 0.56 to 0.90 for impedance and electric modulus formalisms, respectively. Notably, films modified with 3 mol% MgO exhibited the least stretched relaxation function. Employing the electric equivalent circuit method for data analysis, the “circle fit” analysis demonstrated an increase in capacitance from 2.97 × 10−12 F to 5.78 × 10−10 F with the incorporation of 3 mol% MgO into BST-based thin films. Further analysis based on Voigt, Maxwell, and ladder circuits revealed trends in resistance and capacitance components with varying MgO contents, suggesting non-Debye-type relaxation phenomena across all tested samples.

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“…As well as vapor deposition techniques, chemical solution deposition (CSD) has also been utilized [9,10]. The most frequently used solution preparation approaches are metal organic decomposition (MOD) and the sol-gel method [11]. In the field of fabrication of organo-inorganic perovskite-type structure thin film, mention should be made of the method that was developed for organo-lead halide perovskite (CH 3 NH 3 PbI 3 ) thin films' fabrication [12].…”

Section: Introductionmentioning

confidence: 99%

Study of the Layer-Type BST Thin Film with X-ray Diffraction and X-ray Photoelectron Spectroscopy

Lisińska-Czekaj

Czekaj

2022

Materials

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In the present paper, results of X-ray photoelectron studies of electroceramic thin films of barium strontium titanate, Ba1−xSrxTiO3 (BST), composition deposited on stainless-steel substrates are presented. The thin films were prepared by the sol-gel method. A spin-coating deposition of BST layers with different chemical compositions was utilized so the layer-type structure of (0-2) connectivity was formed. After the deposition, the thin-film samples were heated in air atmosphere at temperature T = 700 °C for 1 h. The surfaces of BST thin films subjected to thermal treatment were studied by X-ray diffraction. X-ray diffraction measurements confirmed the perovskite-type phase for all grown thin-film samples. The oxidation states of the elements were examined by the X-ray photoelectron spectroscopy method. X-ray photoelectron spectroscopy survey spectra as well as high-resolution spectra (photo-peaks) of the main metallic elements, such as Ti, Ba, and Sr, were compared for the layer-type structures, differing in the deposition sequence of the barium strontium titanate layers constituting the BST thin film.

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Optical characterization of Ba1-XSrxTiO3 thin film properties using ultraviolet-visible spectroscopy

Cited by 5 publications

References 14 publications

Sustainable plasma polymer encapsulation materials for organic solar cells

Sustainable plasma polymer encapsulation materials for organic solar cells

Enhanced Spectroscopic Insight into Acceptor-Modified Barium Strontium Titanate Thin Films Deposited via the Sol–Gel Method

Study of the Layer-Type BST Thin Film with X-ray Diffraction and X-ray Photoelectron Spectroscopy

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