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Article
Solar photocatalytic hydrogen production of g-C3N4/KTaO3 heterojunction for water splitting via interface engineering
Heterojunction construction is a significant method for enhancing the efficiency of electron–hole separation in photocatalysts, and it can be used to construct effective photocatalysts with visible light respo...
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Article
Enhanced energy storage density of antiferroelectric AgNbO3-based ceramics by Bi/Ta modification at A/B sites
Dielectric capacitors have attracted extensive attention due to their high power density along with fast charge/discharge rate. Despite the high energy storage performance were obtained in lead-based ceramics,...
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Article
Open AccessPhotocurrent density and electrical properties of Bi0.5Na0.5TiO3-BaNi0.5Nb0.5O3 ceramics
In this work, the (1−x)Bi0.5Na0.5TiO3-xBaNi0.5Nb0.5O3 (BNT-BNN; 0.00 ⩽ x ⩽ 0.20) ceramics were prepared via a high-temperature solid-state method. The crystalline structures, photovoltaic effect, and electrical p...
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Article
Impedance Spectroscopy and Photovoltaic Effect of Oxygen Defect Engineering on KNbO3 Ferroelectric Semiconductors
Perovskite-oxide (1 − x)KNbO3-xBaCo1/2Nb1/2O3−δ (KN-BCN; x = 0.00–0.20) ferroelectric semiconductor ceramics with oxygen defects are successfully prepared via a conventional solid-state sintering method. X-ray di...
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Article
Microwave Dielectric Properties of Na5RE(MoO4)4 (RE = La, Gd, Dy, Er) Ceramics with a Low Sintering Temperature
Na5RE(MoO4)4 (RE = La, Gd, Dy, Er) ceramics have been synthesized by the conventional solid-state reaction method. The crystallizations, microstructures and microwave dielectric properties of Na5RE(MoO4)4 ceramic...
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Article
Microwave dielectric properties of Bi(Sc1/3Mo2/3)O4 ceramics for LTCC applications
A novel microwave dielectric ceramics Bi(Sc1/3Mo2/3)O4 with low firing temperature were prepared via the solid reaction method. The specimens have been characterized using scanning electron microscopy, X-ray diff...
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Article
Investigations of Resistance Variations in Electrically Heated Canisters for Deep Repository
At the end of 2001, measurements indicated that the resistance between the conductors had fallen in SKB's (Svensk Kärnbränslehantering AB) electrically heated test canisters. Electrochemical impedance spectros...