All Outputs (14)

Enhancement of densification and microwave dielectric properties in LiF ceramics via a cold sintering and post-annealing process (2020)
Journal Article
Liu, B., Li, L., Song, K. X., Mao, M. M., Lu, Z., Wang, G., …Reaney, I. M. (2021). Enhancement of densification and microwave dielectric properties in LiF ceramics via a cold sintering and post-annealing process. Journal of the European Ceramic Society, 41(2), 1726-1729. https://doi.org/10.1016/j.jeurceramsoc.2020.09.073

LiF is a low-firing fluoride with excellent microwave dielectric properties, however densification of LiF ceramics is challenging owing to their low surface free energy. In this study, a cold sintering process (150 °C, 250 MPa, 60 min) was employed t... Read More about Enhancement of densification and microwave dielectric properties in LiF ceramics via a cold sintering and post-annealing process.

Mechanism of enhanced energy storage density in AgNbO3-based lead-free antiferroelectrics (2020)
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-situ synchrotron X-ray data reveal that the structure remains quadrupled and... Read More about Mechanism of enhanced energy storage density in AgNbO3-based lead-free antiferroelectrics.

Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance (2020)
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 (Wrec) of ∼4.55 J cm–3 with η ∼ 90% is achieved in lead-free relaxor BaTiO3-0.0... Read More about Novel BaTiO3-Based, Ag/Pd-Compatible Lead-Free Relaxors with Superior Energy Storage Performance.

Superior energy density through tailored dopant strategies in multilayer ceramic capacitors (2020)
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 layer thickness. This relationship only operates however, if the total res... Read More about Superior energy density through tailored dopant strategies in multilayer ceramic capacitors.

Cold sintered LiMgPO4 based composites for low temperature co‐fired ceramic (LTCC) applications (2020)
Journal Article
Wang, D., Chen, J., Wang, G., Lu, Z., Sun, S., Li, J., …Reaney, I. M. (2020). Cold sintered LiMgPO4 based composites for low temperature co‐fired ceramic (LTCC) applications. Journal of the American Ceramic Society, 103(11), 6237-6244. https://doi.org/10.1111/jace.17320

Cold sintered, Li2MoO4-based ceramics have recently been touted as candidates for electronic packaging and low temperature co-fired ceramic (LTCC) technology but MoO3 is an expensive and endangered raw material, not suited for large scale commerciali... Read More about Cold sintered LiMgPO4 based composites for low temperature co‐fired ceramic (LTCC) applications.

Acceptor and Donor Dopants in Potassium Sodium Niobate Based Ceramics (2020)
Journal Article
Hussain, F., Khesro, A., Lu, Z., Alotaibi, N., Mohamad, A. A., Wang, G., …Zhou, D. (2020). Acceptor and Donor Dopants in Potassium Sodium Niobate Based Ceramics. Frontiers in Materials, 7, Article 160. https://doi.org/10.3389/fmats.2020.00160

B-site doping in potassium sodium niobate (KNN) with Mn2+ (Mn′′′Nb) and Ti4+ (Ti′Nb) dopants were soluble but prevented KNN from achieving a high relative density, while Sn4+ (Sn′Nb) was not soluble in the structure as evidenced by second phase peaks... Read More about Acceptor and Donor Dopants in Potassium Sodium Niobate Based Ceramics.

Double pentavalent (Sb5+, Nb5+) and trivalent (Sm3+, Y3+) co-doped Ti0.9Zr0.1O2 colossal dielectric permittivity multilayer ceramics for the miniaturization of the next-generation electronics (2020)
Journal Article
Yao, E., Li, J., Zou, W., Wang, L., Xu, S., Hu, T., …Zhao, F. (2020). Double pentavalent (Sb5+, Nb5+) and trivalent (Sm3+, Y3+) co-doped Ti0.9Zr0.1O2 colossal dielectric permittivity multilayer ceramics for the miniaturization of the next-generation electronics. Ceramics International, 46(15), 23433-23441. https://doi.org/10.1016/j.ceramint.2020.06.113

Materials with colossal dielectric permittivity (CP) are in the focus of interest for the development of miniaturization and integration of electronic components. Despite the extensive study of these new classes of co-doped TiO2 CP materials, the pre... Read More about Double pentavalent (Sb5+, Nb5+) and trivalent (Sm3+, Y3+) co-doped Ti0.9Zr0.1O2 colossal dielectric permittivity multilayer ceramics for the miniaturization of the next-generation electronics.

Ultrahigh piezoelectricity in lead-free piezoceramics by synergistic design (2020)
Journal Article
Wang, D., Fan, Z., Rao, G., Wang, G., Liu, Y., Yuan, C., …Zhang, S. (2020). Ultrahigh piezoelectricity in lead-free piezoceramics by synergistic design. Nano Energy, 76, Article 104944. https://doi.org/10.1016/j.nanoen.2020.104944

Following increased environmental concerns on the toxicity of lead, the discovery of ultrahigh piezoelectricity in lead-free piezoelectric materials is critical for the substitution of commercial lead zirconate titanate (PZT) ceramics in numerous ele... Read More about Ultrahigh piezoelectricity in lead-free piezoceramics by synergistic design.

Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density (2020)
Journal Article
Wang, G., Lu, Z., Yang, H., Ji, H., Mostaed, A., Li, L., …Reaney, I. M. (2020). Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density. Journal of Materials Chemistry A, 8(22), 11414-11423. https://doi.org/10.1039/d0ta00216j

The critical role of electrical homogeneity in optimising electric-field breakdown strength (BDS) and energy storage in high energy density (0.7 − x)BiFeO3–0.3BaTiO3–xBi(Li0.5Nb0.5)O3 (BF–BT–xBLN) lead-free capacitors is demonstrated. The high BDS fo... Read More about Fatigue resistant lead-free multilayer ceramic capacitors with ultrahigh energy density.

Crystal Structure, Phase Transitions and Photoferroelectric Properties of KNbO3-Based Lead-Free Ferroelectric Ceramics: A Brief Review (2020)
Journal Article
Wang, D., Wang, G., Lu, Z., Al-Jlaihawi, Z., & Feteira, A. (2020). Crystal Structure, Phase Transitions and Photoferroelectric Properties of KNbO3-Based Lead-Free Ferroelectric Ceramics: A Brief Review. Frontiers in Materials, 7, Article 91. https://doi.org/10.3389/fmats.2020.00091

Ferroelectric KNbO3 (KN) ceramics were first fabricated in the 1950s, however, their use in commercial technical applications has been hampered by inherently challenging processing difficulties. In the early 1990s, the interest in KN ceramics was rev... Read More about Crystal Structure, Phase Transitions and Photoferroelectric Properties of KNbO3-Based Lead-Free Ferroelectric Ceramics: A Brief Review.

Lead Free Multilayer Piezoelectric Actuators by Economically New Approach (2020)
Journal Article
Hussain, F., Khesro, A., Lu, Z., Wang, G., & Wang, D. (2020). Lead Free Multilayer Piezoelectric Actuators by Economically New Approach. Frontiers in Materials, 7, Article 87. https://doi.org/10.3389/fmats.2020.00087

The replacement of lead zirconate titanate ceramics (PZTs), with a lead-oxide (PbO)-free alternative is the subject of intense investigation worldwide. In this research, a cheap reliable methodology for the fabrication of multilayers (MLs) of lead-fr... Read More about Lead Free Multilayer Piezoelectric Actuators by Economically New Approach.

Direct Integration of Cold Sintered, Temperature-Stable Bi2Mo2O9-K2MoO4 Ceramics on Printed Circuit Boards for Satellite Navigation Antennas (2020)
Journal Article
Wang, D., Siame, B., Zhang, S., Wang, G., Ju, X., Li, J., …Reaney, I. M. (2020). Direct Integration of Cold Sintered, Temperature-Stable Bi2Mo2O9-K2MoO4 Ceramics on Printed Circuit Boards for Satellite Navigation Antennas. Journal of the European Ceramic Society, 40(12), 4029-4034. https://doi.org/10.1016/j.jeurceramsoc.2020.04.025

Bi2Mo2O9-K2MoO4 (BMO-KMO) composite ceramics with >95% theoretical density were densified by cold sintering at 150 °C. XRD, Raman, back-scattered SEM and EDX spectroscopy indicated that the BMO and KMO phases coexisted in all composites without inter... Read More about Direct Integration of Cold Sintered, Temperature-Stable Bi2Mo2O9-K2MoO4 Ceramics on Printed Circuit Boards for Satellite Navigation Antennas.

Field-induced magnetic incommensurability in multiferroic Ni3TeO6 (2020)
Journal Article
Lass, J., Andersen, C. R., Leerberg, H. K., Birkemose, S., Toth, S., Stuhr, U., …Lefmann, K. (2020). Field-induced magnetic incommensurability in multiferroic Ni3TeO6. Physical Review B, 101(5), https://doi.org/10.1103/physrevb.101.054415

Using single-crystal neutron diffraction we show that the magnetic structure Ni3TeO6 at fields above 8.6 T along the c axis and low temperature changes from a commensurate collinear antiferromagnetic structure with spins along c and ordering vector Q... Read More about Field-induced magnetic incommensurability in multiferroic Ni3TeO6.

All-Inorganic Perovskite Solar Cells With Both High Open-Circuit Voltage and Stability (2020)
Journal Article
Zhang, L., Hu, T., Li, J., Zhang, L., Li, H., Lu, Z., & Wang, G. (2020). All-Inorganic Perovskite Solar Cells With Both High Open-Circuit Voltage and Stability. Frontiers in Materials, 6, Article 330. https://doi.org/10.3389/fmats.2019.00330

Metal halide perovskite solar cells based on all-inorganic CsPbBr3 have attracted considerable attentions recently, due to their high open-circuit voltage and good stability. However, the fabrication of CsPbBr3 film is limited by the poor solubility... Read More about All-Inorganic Perovskite Solar Cells With Both High Open-Circuit Voltage and Stability.