On the Pulsed-Laser Deposition of Bismuth-Telluride Thin Films on Polyimide Substrates

Shupenev, A. E.; Korshunov, I. S.; Grigoryants, A. G.

doi:10.1134/s1063782620030173

Cited by 9 publications

(3 citation statements)

References 25 publications

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“…To date, there are several areas of additive technology development (AT) in the field of engineering technologies, including [1,2,3,4]:…”

Section: Accurate Analysis and Approach To The System Of Tolerances A...mentioning

confidence: 99%

“…The surface was polished using a laser technology complex based on a 5 kW itterbial fibre laser (Figure 3). The complex uses a specially designed optical technology system (Figure 4) to obtain the size of the spot in the treatment area of 0.5 x 10 mm, and the distribution of the intensity of laser radiation was uniform in the section of the spot [14]. During the processing, the speed of movement and the power of laser radiation, as well as the preliminary temperature of the surface heating of the sample varied.…”

Section: Contact Measurements Of Surface Parameters Of Parts Obtained...mentioning

confidence: 99%

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Measurement Assurance of Additive Manufacturing on the Example of Laser Surface Polishing Products by Remelting

Kransutskaya

Funtikov

Syritskii

et al. 2021

MSF

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The article presents the results of studies of the surfaces of parts processed by the contactless method of laser polishing. The results of technological surface treatment using a laser technological complex based on an ytterbium fibre laser with a power of 5 kW are presented. The results of studies of the surface roughness of the samples after laser treatment, including the non-uniform character due to the redistribution of the liquid metal melt over the surface, are shown. Requirements for metrological support of additive technology have been developed using the example of the process of laser remelting in order to improve quality and further automation.

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“…To date, there are several areas of additive technology development (AT) in the field of engineering technologies, including [1,2,3,4]:…”

Section: Accurate Analysis and Approach To The System Of Tolerances A...mentioning

confidence: 99%

Section: Contact Measurements Of Surface Parameters Of Parts Obtained...mentioning

confidence: 99%

Measurement Assurance of Additive Manufacturing on the Example of Laser Surface Polishing Products by Remelting

Kransutskaya

Funtikov

Syritskii

et al. 2021

MSF

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“…To our knowledge, all works in literature reporting pulsed laser deposition of Bi 2 Te 3 use a single compound target for the ablation process, which ends up in dealing with strategies to overcome deviations from the stoichiometry of the target in the final composition of the films along with elevated substrate temperatures or post-annealing treatments [ 14 , 15 , 16 , 17 , 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Bi2Te3 Thin Films Deposited by the Combination of Bi and Te Plasmas in a PLD Process

et al. 2023

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Bismuth telluride thin films were grown by pulsed laser deposition by implementing a novel method that combines both Te and Bi plasmas resulting from the laser ablation of individual Bi and Te targets. Furthermore, the mean kinetic ion energy and density of the plasmas, as estimated by TOF curves obtained from Langmuir probe measurements, were used as control parameters for the deposition process. The obtained thin films exhibit a metallic mirror-like appearance and present good adhesion to the substrate. Morphology of the thin films was observed by SEM, yielding smooth surfaces where particulates were also observed (splashing). Chemical composition analysis obtained by EDS showed that apparently the films have a Te-rich composition (ratio of Te/Bi of 3); however, Te excess arises from the splashing as revealed by the structural characterization (XRD and Raman spectroscopy). The XRD pattern indicated that depositions have the rhombohedral (D3d5(R3¯m)) structure of Bi2Te3. Likewise, Raman spectra exhibited the presence of signals that correspond to Eg2, A1u2 and A1g2(LO) vibrational modes of the same rhombohedral phase of Bi2Te3. Additionally, oxidation states, analyzed by XPS, resulted in signals associated to Bi3+ and Te2- that correspond to the Bi2Te3 compound. Finally, surface topology and thickness profiles were obtained from AFM measurements, confirming a combination of a smooth surface with particulates on top of it and a film thickness of 400 nm.

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Recent Advances in the Development of Pulsed Laser Deposited Thin Films

Soonmin,

Alhajj,

Tubtimtae

2024

Springer Proceedings in Materials

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On the Pulsed-Laser Deposition of Bismuth-Telluride Thin Films on Polyimide Substrates

Cited by 9 publications

References 25 publications

Measurement Assurance of Additive Manufacturing on the Example of Laser Surface Polishing Products by Remelting

Measurement Assurance of Additive Manufacturing on the Example of Laser Surface Polishing Products by Remelting

Bi2Te3 Thin Films Deposited by the Combination of Bi and Te Plasmas in a PLD Process

Recent Advances in the Development of Pulsed Laser Deposited Thin Films

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