Dissolution and Diffusion-Based Reactions within YBa2Cu3O7−x Glass Fibers

Heyl, Hanna; Yang, Shuo; Homa, Daniel; Slebodnick, Carla; Wang, Anbo; Pickrell, Gary

doi:10.3390/fib8010002

Cited by 3 publications

(3 citation statements)

References 27 publications

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“…In particular, superconducting materials of nanometric sizes have been used as elements of electronic circuits [4], singlephoton detectors [5], and also quantum batteries [6]. Despite being one of the first high-temperature superconductors (HTS) discovered, YBa 2 Cu 3 O 7-δ (Y123) has still been the subject of several studies [7][8][9]. Trabaldo et al [10] have proposed that a superconducting quantum interference device (SQUID) based on HTS nanowires can be considered a potential candidate as a highly sensitive magnetometer for low-field magnetic resonance imaging and magnetoencephalography, for instance.…”

Section: Introductionmentioning

confidence: 99%

Optimum heat treatment to enhance the weak-link response of Y123 nanowires prepared by Solution Blow Spinning

Caffer¹,

Chaves²,

Pessoa³

et al. 2021

Supercond. Sci. Technol.

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Although the production of YBa2Cu3O7-δ (Y123) has been extensively reported, there is still a lack of information on the ideal heat treatment to produce this material in the form of one dimension nanostructures. Thus, by means of the Solution Blow Spinning technique, metals embedded in polymer fibers were prepared. These polymer composite fibers were fired and then investigated by thermogravimetric analysis. The maximum sintering temperatures of heat treatment were chosen in the interval 850 °C–925 °C for 1 h under oxygen flux. SEM images allowed us to determine the wire diameter as approximately 350 nm for all samples, as well as to map the evolution of the entangled wire morphology with the sintering temperature. XRD analysis indicated the presence of Y123 and secondary phases in all samples. Ac magnetic susceptibility and dc magnetization measurements demonstrated that the sample sintered at 925 °C/1 h is the one with the highest weak-link critical temperature and the largest diamagnetic response.

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Section: Introductionmentioning

confidence: 99%

Optimum heat treatment to enhance the weak-link response of Y123 nanowires prepared by Solution Blow Spinning

Caffer¹,

Chaves²,

Pessoa³

et al. 2021

Supercond. Sci. Technol.

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show abstract

“…On the other hand, reactive molten-core fabrication has proven to be an effective method to fabricate fibers with core materials which cannot be drawn into fibers on their own [22][23][24]. With the housing material reacting with the core material via various mechanisms, such as reactive chemistry, dissolution, and diffusion, fibers with various core materials, such as semiconductors, special glass, and crystalline oxides, have been reported [22][23][24][25][26][27][28][29][30]. Therefore, in this paper we report on the fabrication of glass-clad BTS glass-ceramic fibers using the powder-in-tube reactive molten-core approach with a successive isothermal heat treatment.…”

Section: Introductionmentioning

confidence: 99%

Powder-in-Tube Reactive Molten-Core Fabrication of Glass-Clad BaO-TiO2-SiO2 Glass–Ceramic Fibers

et al. 2020

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In this paper we report the fabrication of glass-clad BaO-TiO2-SiO2 (BTS) glass–ceramic fibers by powder-in-tube reactive molten-core drawing and successive isothermal heat treatment. Upon drawing, the inserted raw powder materials in the fused silica tubing melt and react with the fused silica tubing (housing tubing) via dissolution and diffusion interactions. During the drawing process, the fused silica tubing not only serves as a reactive crucible, but also as a fiber cladding layer. The formation of the BTS glass–ceramic structure in the core was verified by micro-Raman spectroscopy after the successive isothermal heat treatment. Second-harmonic generation and blue-white photoluminescence were observed in the fiber using 1064 nm and 266 nm picosecond laser irradiation, respectively. Therefore, the BTS glass–ceramic fiber is a promising candidate for all fiber based second-order nonlinear and photoluminescence applications. Moreover, the powder-in-tube reactive molten core method offers a more efficient and intrinsic contamination-free approach to fabricate glass–ceramic fibers.

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“…In particular, superconducting materials of nanometric sizes have been used as elements of electronic circuits [4], single-photon detectors [5], and also quantum batteries [6]. Despite being one of the first high-temperature superconductors (HTS) discovered, YBa 2 Cu 3 O 7−δ (Y123) has still been the subject of several studies [7,8,9]. Trabaldo et.…”

Section: Introductionmentioning

confidence: 99%

Optimum heat treatment to enhance the weak-linkresponse of Y123 nanowires prepared by SolutionBlow Spinning

Caffer,

Chaves,

Pessoa

et al. 2020

Preprint

View full text Add to dashboard Cite

Although the production of YBa 2 Cu 3 O 7−δ (Y123) has been extensively reported, there is still a lack of information on the ideal heat treatment to produce this material in the form of one dimension nanostructures. Thus, by means of the Solution Blow Spinning technique, metals embedded in polymer fibers were prepared. These polymer composite fibers were fired and then investigated by thermogravimetric analysis. The maximum sintering temperatures of heat treatment were chosen in the interval 850 °C-925 °C for one hour under oxygen flux. SEM images allowed us to determine the wire diameter as approximately 350 nm for all samples, as well as to map the evolution of the entangled wire morphology with the sintering temperature. XRD analysis indicated the presence of Y123 and secondary phases in all samples. Ac magnetic susceptibility and dc magnetization measurements demonstrated that the sample sintered at 925 °C/1h is the one with the highest weak-link critical temperature and the largest diamagnetic response.

show abstract

Dissolution and Diffusion-Based Reactions within YBa2Cu3O7−x Glass Fibers

Cited by 3 publications

References 27 publications

Optimum heat treatment to enhance the weak-link response of Y123 nanowires prepared by Solution Blow Spinning

Optimum heat treatment to enhance the weak-link response of Y123 nanowires prepared by Solution Blow Spinning

Powder-in-Tube Reactive Molten-Core Fabrication of Glass-Clad BaO-TiO2-SiO2 Glass–Ceramic Fibers

Optimum heat treatment to enhance the weak-linkresponse of Y123 nanowires prepared by SolutionBlow Spinning

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