All Outputs (14)

Evidence for Magnetic Fractional Excitations in a Kitaev Quantum-Spin-Liquid Candidate α-RuCl3 (2021)
Journal Article
Ran, K., Wang, J., Song, B., Cai, Z., Shangguan, Y., Ma, Z., Wang, W., Dong, Z., Cermák, P., Schneidewind, A., Meng, S., Lu, Z., Yu, S., Li, J., & Wen, J. (2022). Evidence for Magnetic Fractional Excitations in a Kitaev Quantum-Spin-Liquid Candidate α-R

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 the competing interactions. Here we present the first polarized inelastic neu... Read More about Evidence for Magnetic Fractional Excitations in a Kitaev Quantum-Spin-Liquid Candidate α-RuCl3.

Significantly reduced conductivity in strontium titanate-based lead-free ceramics by excess bismuth (2021)
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.2021.1

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 structures of ST-BF retain pseudo-cubic phase as Bi content increases. The g... Read More about Significantly reduced conductivity in strontium titanate-based lead-free ceramics by excess bismuth.

Microstructure and electrical properties of Nb‐doped SrTiO3‐BiFeO3 based lead‐free ceramics (2021)
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/10.1

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 doping on the microstructure, dielectric, and electrical properties are systema... Read More about Microstructure and electrical properties of Nb‐doped SrTiO3‐BiFeO3 based lead‐free ceramics.

Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6 (2021)
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/s41467-021-2556

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 spin liquids. Thus far, the most studied Kitaev systems are 4d/5d-based honeyc... Read More about Field-induced quantum spin disordered state in spin-1/2 honeycomb magnet Na2Co2TeO6.

In situ poling X-ray diffraction studies of lead-free BiFeO3–SrTiO3 ceramics (2021)
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 ferroelectric (FE) state or to multi-symmetry, polar nanoregions within a pseudocubi... Read More about In situ poling X-ray diffraction studies of lead-free BiFeO3–SrTiO3 ceramics.

Electroceramics for High-Energy Density Capacitors: Current Status and Future Perspectives (2021)
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 devices. The highest energy densities are achieved for fuel cells, batteries, and... Read More about Electroceramics for High-Energy Density Capacitors: Current Status and Future Perspectives.

5G microstrip patch antenna and microwave dielectric properties of cold sintered LiWVO6–K2MoO4 composite ceramics (2021)
Journal Article
Ma, M., Song, K., Ji, Y., Hussain, F., Khesro, A., Mao, M., …Sun, S. (2021). 5G microstrip patch antenna and microwave dielectric properties of cold sintered LiWVO6–K2MoO4 composite ceramics. Ceramics International, 47(13), 19241-19246. https://doi.or

In this paper, (1-x)LiWVO6-xK2MoO4 (LWVO-KMO, x = 60, 65, 70, 75, 80, 90 wt%) composite ceramics with >92% relative density were prepared by cold sintering at 160 °C under a uniaxial pressure of 300 MPa for 1 h. X-ray diffraction (XRD), Scanning elec... Read More about 5G microstrip patch antenna and microwave dielectric properties of cold sintered LiWVO6–K2MoO4 composite ceramics.

High‐energy storage performance in BaTiO3‐based lead‐free multilayer ceramic capacitors (2021)
Journal Article
Yang, H., Bao, W., Lu, Z., Li, L., Ji, H., Huang, Y., …Wang, D. (2021). High‐energy storage performance in BaTiO3‐based lead‐free multilayer ceramic capacitors. Journal of Materials Research, 36(6), 1285-1294. https://doi.org/10.1557/s43578-020-00

Lead-free BaTiO3 (BT)-based multilayer ceramic capacitors (MLCCs) with the thickness of dielectric layers ~9 μm were successfully fabricated by tape-casting and screen-printing techniques. A single phase of the pseudo-cubic structure was revealed by... Read More about High‐energy storage performance in BaTiO3‐based lead‐free multilayer ceramic capacitors.

Cold sintered, temperature-stable CaSnSiO5-K2MoO4 composite microwave ceramics and its prototype microstrip patch antenna (2021)
Journal Article
Ji, Y., Song, K., Zhang, S., Lu, Z., Wang, G., Li, L., …Reaney, I. M. (2021). Cold sintered, temperature-stable CaSnSiO5-K2MoO4 composite microwave ceramics and its prototype microstrip patch antenna. Journal of the European Ceramic Society, 41(1), 424-

Dense (1-x)wt%CaSnSiO5-xwt%K2MoO4 (CSSO-KMO) composite ceramics were fabricated by the cold sintering process at 180 °C under 400 MPa for 60 min. X-ray diffraction, Energy dispersive X-ray and Raman spectroscopy confirmed that CSSO and KMO coexisted... Read More about Cold sintered, temperature-stable CaSnSiO5-K2MoO4 composite microwave ceramics and its prototype microstrip patch antenna.

High-temperature BaTiO3-based ternary dielectric multilayers for energy storage applications with high efficiency (2021)
Journal Article
Li, W., Zhou, D., Liu, W., Su, J., Hussain, F., Wang, D., …Wang, Q. (2021). High-temperature BaTiO3-based ternary dielectric multilayers for energy storage applications with high efficiency. Chemical Engineering Journal, 414, Article 128760. https://doi

High-temperature BaTiO3-based ceramic capacitors have broad application prospects in energy storage devices. However, energy density and efficiency of BaTiO3-based ceramic capacitors are bottleneck challenges that limit the applications of ceramic ca... Read More about High-temperature BaTiO3-based ternary dielectric multilayers for energy storage applications with high efficiency.

The mediation of bond strain by vacancies and displacive disorder in A-site-deficient perovskites (2021)
Journal Article
Levin, I., Krayzman, V., Playford, H., Woicik, J., Maier, R., Lu, Z., …Tucker, M. (2021). The mediation of bond strain by vacancies and displacive disorder in A-site-deficient perovskites. Acta materialia, 207, Article 116678. https://doi.org/10.1016/j.

Local distortions in perovskite-like A-site-deficient (Sr,La)TiO3 solid solutions have been determined by refining large-scale atomic configurations against neutron/X-ray total-scattering and extended-X-ray-absorption-fine-structure data. Structural... Read More about The mediation of bond strain by vacancies and displacive disorder in A-site-deficient perovskites.

Ultrahigh energy density in short-range tilted NBT-based lead-free multilayer ceramic capacitors by nanodomain percolation (2021)
Journal Article
Ji, H., Wang, D., Bao, W., Lu, Z., Wang, G., Yang, H., …Reaney, I. M. (2021). Ultrahigh energy density in short-range tilted NBT-based lead-free multilayer ceramic capacitors by nanodomain percolation. Energy Storage Materials, 38, 113-120. https://doi.

Dense pseudocubic 0.62Na0.5Bi0.5TiO3-0.3Sr0.7Bi0.2TiO3-0.08BiMg2/3Nb1/3O3 (NBT-SBT-0.08BMN) ceramics with excellent recoverable energy density, Wrec = 7.5 J/cm3, and conversion efficiency, η = 92%, were synthesized. Large electric breakdown strength... Read More about Ultrahigh energy density in short-range tilted NBT-based lead-free multilayer ceramic capacitors by nanodomain percolation.

Thermally-induced local structural transformations in Na0.5Bi0.5TiO3-KNbO3 ceramics (2021)
Journal Article
Wang, G., Goetzee-Barral, A., Lu, Z., Keeble, D. S., & Hall, D. A. (2021). Thermally-induced local structural transformations in Na0.5Bi0.5TiO3-KNbO3 ceramics. Journal of the European Ceramic Society, 41(6), 3832-3837. https://doi.org/10.1016/j.jeurcerams

The local symmetry of (1-x)Na0.5Bi0.5TiO3-xKNbO3 (NBT-xKN, x = 0.01−0.07) ceramics was thoroughly examined using high-energy synchrotron x-ray scattering and analysed using the pair distribution function (PDF) method. At room temperature, the structu... Read More about Thermally-induced local structural transformations in Na0.5Bi0.5TiO3-KNbO3 ceramics.

Cold sintering of microwave dielectric ceramics and devices (2021)
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. However, to date, MW ceramics are manufactured by an energy-intensive, co... Read More about Cold sintering of microwave dielectric ceramics and devices.