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   Espinosa, Alba Roselia; Novak, Marc; Luo, Qi; Hole, Brandon; Doligon, Clarisse; Prenza Sosa, Kenya; Gray, Jennifer L.; Rossi, Daniel P.; Plass, Katherine E. (August 2022, Chemical Communications)

   Localized surface plasmon resonance (LSPR) of Cu 2− x S nanorods is quenched during the initial Cu 2− x S/Cu 2− x Te core/shell stage of anion exchange then returns as Cu 2− x Te progresses into the nanorod. Phase change within the core accounts for this behaviour illustrating the complexity emergent from anion exchange. 

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3. Ultralow Lattice Thermal Conductivity in the Aikinite Structure Family, Cu _x Pb _x Bi _2–x S ₃ , and Thermoelectric Properties of Cu _0.14 Pb _0.14 Bi _1.86 S ₃

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5. Ca-repaired BaZrO ₃ nanorods/YBa ₂ Cu ₃ O _7-x interface for enhanced pinning in YBa ₂ Cu ₃ O _7-x nanocomposites with 2-8% BaZrO ₃ doping

   https://doi.org/10.1088/1757-899X/1302/1/012013  

   Wu, Judy; Panth, Mohan; Ogunjimi, Victor; Ann_Sebastian, Mary; Zhang, Di; Haugan, Timothy; Wang, Haiyan (May 2024, IOP Conference Series: Materials Science and Engineering)

   Abstract C-axis aligned BaZrO₃(BZO) nanorods formed via strain-mediated self-assembly in BZO-doped YaBa₂Cu₃O_7-x(BZO/YBCO) nanocomposite films can provide strong pinning to the quantized magnetic vortices. While the strain initiated from the BZO/YBCO lattice mismatch plays a critical role in nucleation and evolution of the BZO nanorods, it also leads to a highly defective BZO/YBCO interface and hence reduced pinning efficiency of BZO nanorods. This work reports a recent study in probing the effect of BZO/YBCO interface on the pinning efficiency of the BZO nanorods as the interface is repaired dynamically during the BZO nanorod growth using Ca doping. Within the BZO doping range of 2-8 vol.%, significantly enhanced pinning efficiency of the BZO nanorods have been observed. A peak enhancement up to five-fold of critical current density at 9.0 T and 65-77 K has been obtained in the 6 vol.% BZO/YBCO nanocomposites after the interface repair. This result not only illustrates the critical importance of the BZO/YBCO interface in the pinning efficiency, but also provides a facile scheme to achieve such an interface to restore the pristine pinning efficiency of the BZO nanorods. 

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