Evidence for Magnetic Fractional Excitations in a Kitaev Quantum-Spin-Liquid Candidate α-RuCl3
Journal Article
Ran, K., Wang, J., Song, B., Cai, Z., Shangguan, Y., Ma, Z., …Wen, J. (2022)
Evidence for Magnetic Fractional Excitations in a Kitaev Quantum-Spin-Liquid Candidate α-RuCl3. Chinese Physics Letters, 39(2), Article 027501. https://doi.org/10.1088/0256-307X/39/2/027501
It is known that α-RuCl3 has been studied extensively because of its proximity to the Kitaev quantum-spin-liquid (QSL) phase and the possibility of approaching it by tuning th...
Significantly reduced conductivity in strontium titanate-based lead-free ceramics by excess bismuth
Journal Article
Wang, Y., Liu, H., Yan, T., Zhao, J., Li, J., Guo, S., …Wang, D. (2022)
Significantly reduced conductivity in strontium titanate-based lead-free ceramics by excess bismuth. Materials Letters, 309, Article 131453. https://doi.org/10.1016/j.matlet.2021.131453
Lead-free dielectric ceramics 0.75SrTiO3-0.25BiFeO3 (ST-BF) with an extra amount of bismuth (Bi) are synthesized by the conventional solid-state reaction method. The crystal s...
Microstructure and electrical properties of Nb‐doped SrTiO3‐BiFeO3 based lead‐free ceramics
Journal Article
Wang, Y., Liu, H., Yan, T., Zhao, J., Guo, S., Sun, R., …Wang, D. (2022)
Microstructure and electrical properties of Nb‐doped SrTiO3‐BiFeO3 based lead‐free ceramics. Journal of the American Ceramic Society, 105(3), 2020-2028. https://doi.org/10.1111/jace.18194
In this work, Nb-doped 0.75SrTiO3-0.25BiFeO3 (ST-BF) lead-free ceramics are designed and synthesized using a conventional solid-state reaction method. The influence of Nb dopi...
Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6
Journal Article
Lin, G., Jeong, J., Kim, C., Wang, Y., Huang, Q., Masuda, T., …Ma, J. (2021)
Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6. Nature Communications, 12(1), Article 5559 (2021). https://doi.org/10.1038/s41467-021-25567-7
Spin-orbit coupled honeycomb magnets with the Kitaev interaction have received a lot of attention due to their potential of hosting exotic quantum states including quantum spi...
In situ poling X-ray diffraction studies of lead-free BiFeO3–SrTiO3 ceramics
Journal Article
Lu, Z., Wang, G., Li, L., Huang, Y., Feteira, A., Bao, W., …Reaney, I. M. (2021)
In situ poling X-ray diffraction studies of lead-free BiFeO3–SrTiO3 ceramics. Materials Today Physics, 19, Article 100426. https://doi.org/10.1016/j.mtphys.2021.100426
The origin of the large electrostrain in BiFeO3-BaTiO3 (BF-BT) ceramics is controversial and has been attributed to either a field-induced transition to a long-range ferroelec...
Electroceramics for High-Energy Density Capacitors: Current Status and Future Perspectives
Journal Article
Wang, G., Lu, Z., Li, Y., Li, L., Ji, H., Feteira, A., …Reaney, I. M. (2021)
Electroceramics for High-Energy Density Capacitors: Current Status and Future Perspectives. Chemical Reviews, 121(10), 6124-6172. https://doi.org/10.1021/acs.chemrev.0c01264
Materials exhibiting high energy/power density are currently needed to meet the growing demand of portable electronics, electric vehicles and large-scale energy storage device...
Cold sintering of microwave dielectric ceramics and devices
Journal Article
Wang, D., Li, L., Jiang, J., Lu, Z., Wang, G., Song, K., …Reaney, I. M. (2021)
Cold sintering of microwave dielectric ceramics and devices. Journal of Materials Research, 36(2), 333-349. https://doi.org/10.1557/s43578-020-00029-w
Microwave (MW) dielectric ceramics are used in numerous electronic components for modern wireless communication systems, including antennas, resonators, capacitors and filters...
Mechanism of enhanced energy storage density in AgNbO3-based lead-free antiferroelectrics
Journal Article
Lu, Z., Bao, W., Wang, G., Sun, S., Li, L., Li, J., …Reaney, I. M. (2021)
Mechanism of enhanced energy storage density in AgNbO3-based lead-free antiferroelectrics. Nano Energy, 79, Article 105423. https://doi.org/10.1016/j.nanoen.2020.105423
The mechanisms underpinning high energy storage density in lead-free Ag1–3xNdxTayNb1-yO3 antiferroelectric (AFE) ceramics have been investigated. Rietveld refinements of in-si...
Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance
Journal Article
Yang, H., Lu, Z., Li, L., Bao, W., Ji, H., Li, J., …Reaney, I. M. (2020)
Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance. ACS applied materials & interfaces, 12(39), 43942-43949. https://doi.org/10.1021/acsami.0c13057
Ceramic dielectrics are reported with superior energy storage performance for applications, such as power electronics in electrical vehicles. A recoverable energy density (Wre...
Superior energy density through tailored dopant strategies in multilayer ceramic capacitors
Journal Article
Lu, Z., Wang, G., Bao, W., Li, J., Li, L., Mostaed, A., …Reaney, I. M. (2020)
Superior energy density through tailored dopant strategies in multilayer ceramic capacitors. Energy and Environmental Science, 13(9), 2938-2948. https://doi.org/10.1039/d0ee02104k
The Gerson–Marshall (1959) relationship predicts an increase in dielectric breakdown strength (BDS) and therefore, recoverable energy density (Wrec) with decreasing dielectric...