Dependence of microwave surface resistance on the structure of laser-deposited YBa2Cu3O7?x thin films

Xu, Shifa; Tian, Yongjun; Lü, Huibin; Zhou, Yongqiang; Cui, Daan; Chen, Z. H.; Li, L.; Yang, Ge; Liu, A. S.; Sun, Liang

doi:10.1007/bf00732382

Cited by 3 publications

(1 citation statement)

References 17 publications

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“…Dual electrospinning offers the possibility to combine two polymers in separate fibers, ultimately to make multifunctional hybrid scaffolds with customized properties for in situ tissue engineering. Importantly, this technique gives the freedom to independently tune the separate fibers via polymer concentration, the voltage applied, the distance between nozzles, and the placement of nozzles, i.e., opposite or angular . Next to this, the technique helps to fabricate combinations of nanometer to micrometer range fibers, which is proposed to mimic the fibrous structure of the natural extracellular matrix.…”

Section: Introductionmentioning

confidence: 99%

Dual Electrospun Supramolecular Polymer Systems for Selective Cell Migration

Thakkar

Luca

Zaccaria

et al. 2018

Macromolecular Bioscience

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Dual electrospinning can be used to make multifunctional scaffolds for regenerative medicine applications. Here, two supramolecular polymers with different material properties are electrospun simultaneously to create a multifibrous mesh. Bisurea (BU)-based polycaprolactone, an elastomer providing strength to the mesh, and ureido-pyrimidinone (UPy) modified poly(ethylene glycol) (PEG), a hydrogelator, introducing the capacity to deliver compounds upon swelling. The dual spun scaffolds are modularly tuned by mixing UPyPEG hydrogelators with different polymer lengths, to control swelling of the hydrogel fiber, while maintaining the mechanical properties of the scaffold. Stromal cell derived factor 1 alpha (SDF1α) peptides are embedded in the UPyPEG fibers. The swelling and erosion of UPyPEG increase void spaces and released the SDF1α peptide. The functionalized scaffolds demonstrate preferential lymphocyte recruitment proposed to be created by a gradient formed by the released SDF1α peptide. This delivery approach offers the potential to develop multifibrous scaffolds with various functions.

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Section: Introductionmentioning

confidence: 99%

Dual Electrospun Supramolecular Polymer Systems for Selective Cell Migration

Thakkar

Luca

Zaccaria

et al. 2018

Macromolecular Bioscience

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Net-shape processing of single-domain YBa2Cu3Ox for a novel high-Q millimeter wave resonator

Shi

et al. 1999

Physica C: Superconductivity

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Correlations Between YBa₂Cu₃O_7-δ Thin Film Materials Properties and RF Device Performance

et al. 1997

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Better knowledge of the relationships between YBa2Cu307-δ (YBCO) materials properties and the RF performance of devices made from these materials should lead to improved device performance and yields. A variety of materials tests were performed on our production YBCO films which were patterned into standard microstrip resonators. The materials parameters were then compared with the unloaded Q of the resonators at 77 K. As expected, films with higher Q's tended to have higher Tc, higher Jc, greater film thickness, and better crystallinity. The last was based on narrower YBCO rocking curve peak, lower second phase density (judged by lower resistivity and greater θ-2θ (005) peak area), and a narrower θ-2θ (005) peak. The room temperature sheet resistance was found to be a useful predictor of microwave performance for films that are otherwise similar.

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Dependence of microwave surface resistance on the structure of laser-deposited YBa2Cu3O7?x thin films

Cited by 3 publications

References 17 publications

Dual Electrospun Supramolecular Polymer Systems for Selective Cell Migration

Dual Electrospun Supramolecular Polymer Systems for Selective Cell Migration

Net-shape processing of single-domain YBa2Cu3Ox for a novel high-Q millimeter wave resonator

Correlations Between YBa₂Cu₃O_7-δ Thin Film Materials Properties and RF Device Performance

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Dependence of microwave surface resistance on the structure of laser-deposited YBa2Cu3O7?x thin films

Cited by 3 publications

References 17 publications

Dual Electrospun Supramolecular Polymer Systems for Selective Cell Migration

Dual Electrospun Supramolecular Polymer Systems for Selective Cell Migration

Net-shape processing of single-domain YBa2Cu3Ox for a novel high-Q millimeter wave resonator

Correlations Between YBa2Cu3O7-δ Thin Film Materials Properties and RF Device Performance

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Correlations Between YBa₂Cu₃O_7-δ Thin Film Materials Properties and RF Device Performance