15 Result(s)

Article

Influence of annealing environment on magnetic and ferroelectric properties of chemical solution derived nanocrystalline Bi_3.15La_0.85Ti₃O₁₂ thin films

Bi_3.15La_0.85Ti₃O₁₂ (BLT) thin films grown on LaNiO₃ (LNO) buffered Si (100) substrates were prepared by chemical solution deposition. The samples were annealed at 600 °C by rapid thermal annealing in oxygen and n...

R. Li, X. G. Tang, Y. P. Jiang, Q. X. Liu… in Journal of Materials Science: Materials in… (2017)

Article

A diarylethene-derived probe for colorimetric detection of CN⁻ and highly selective fluorescent recognition of I⁻

A new photochromic diarylethene derivative with 2-hydrazinobenzothiazole was synthesized, and its multi-controllable switch behavior was investigated in detail when triggered by light and anions. When triggere...

X. G. Tang, H. L. Liu, S. Z. Pu in Photochemical & Photobiological Sciences (2016)

Article

Influence of sintering temperature on the ferroelectric and piezoelectric properties of (Ba_0.85Ca_0.15)(Zr_0.1Ti_0.9)O₃ ceramics

Lead-free perovskite (Ba_0.85Ca_0.15)(Zr_0.1Ti_0.9)O₃ (BCZT) ceramics are prepared using the traditional solid-state reaction technique. Dielectric, ferroelectric and piezoelectric properties of the specimens sinter...

Y. P. Jiang, X. G. Tang, S. G. Ju, Q. X. Liu… in Journal of Materials Science: Materials in… (2016)

Article

The dielectric anomaly and pyroelectric properties of sol–gel derived (Pb,Cd,La)TiO₃ ceramics

Cadmium and lanthanum modified lead titanate ceramics with chemical formula (Pb_0.85Cd_0.05La_0.10)Ti_0.975O₃ were prepared by a sol–gel process. The diffuse dielectric anomaly found in the temperature dependence of ...

X. X. Huang, X. G. Tang, X. M. **ong… in Journal of Materials Science: Materials in… (2015)

Article

Effect of Zr/Ti ratio on the dielectric and piezoelectric properties of Mn-doped Ba(Zr, Ti)O₃ ceramics

Lead-free piezoelectric Ba(Zr _y Ti_1−y )O₃:0.5 mol%Mn (abbreviated as BZTM-100y, y = 0.04, 0.045, 0.05, and 0.055) ceramics were prepared via the conventional soli...

N. Ding, X. G. Tang, X. D. Ding, Q. X. Liu… in Journal of Materials Science: Materials in… (2014)

Article

Diffuse phase transition and leakage current characteristics of (Pb_0.25Sr_0.75)TiO₃ thin films prepared by a sol–gel process

Nanocrystalline (Pb_0.25Sr_0.75)TiO₃ (PSrT25) thin films were grown on Pt/Ti/SiO₂/Si substrates by using a sol–gel process. The dielectric constant and loss tanδ of Au/PSrT/Pt thin-films capacitor were 345 and 0.01...

T. D. Cheng, X. G. Tang, Y. P. Jiang… in Journal of Materials Science: Materials in… (2014)

Article

Dark pulse generation in a dispersion-managed fiber laser

We report an experimental observation of dark pulse generation in a dispersion-managed erbium-doped fiber laser with net anomalous cavity group-velocity dispersion. It is found that apart from the bright solit...

H. P. Li, H. D. **a, Z. **g, J. K. Liao, X. G. Tang, Y. Liu, Y. Z. Liu in Laser Physics (2012)

Article

Electric-field dependence of dielectric properties of sol-gel derived Ba(Zr_0.2Ti_0.8)O₃ ceramics

The effect of a dc bias field on the diffuse phase transition and nonlinear dielectric properties of sol-gel derived Ba(Zr_0.2Ti_0.8)O₃ (BZT) ceramics are investigated. Diffuse phase transitions were observed in BZ...

X. G. Tang, Q. X. Liu, J. Wang, H. L. W. Chan in Applied Physics A (2009)

Article

Effects of texture on the dielectric properties of Ba(Zr_0.2Ti_0.8)O₃ thin films prepared by pulsed laser deposition

Ba(Zr_0.2Ti_0.8)O₃ (BZT) thin films were deposited on Pt(111)/Ti/SiO₂/Si(100) substrates by a pulsed laser deposition process. The BZT thin films directly grown on annealed and un-annealed Pt/Ti/SiO₂/Si substrates ...

X.G. Tang, X.X. Wang, K.H. Wong, H.L.W. Chan in Applied Physics A (2005)

Article

Characterization of 90° domain structure and polarization switching in Pb(Zr_0.4Ti_0.6)O₃ film by piezoresponse force microscope

A lead zirconate titanate Pb(Zr_0.4Ti_0.6)O₃ (PZT40/60) film was deposited on a Pt(111)/Ti/SiO₂/Si(100) substrate by a sol–gel process followed by thermal annealing at 650 °C for 5 min. Piezoresponse force microsco...

X. Zhao, J.Y. Dai, X.G. Tang, J. Wang, H.L.W. Chan, C.L. Choy in Applied Physics A (2005)

Article

Microwave Dielectric Properties of Sol-Gel Derived BaTi₄O₉ and Ba₂Ti₉O₂₀:B₂O₃ Ceramics

BaTi₄O₉ and B₂O₃-doped Ba₂Ti₉O₂₀ ceramics powders have been prepared by a sol-gel route. The phase evolution, grain size and dielectric properties of the BaTi₄O₉ and Ba₂Ti₉O₂₀-based ceramics powders have been inv...

X. G. Tang, J. Z. Liu, K. W. Kwok, H. L. W. Chan in Journal of Electroceramics (2005)

Article

Effect of excess Bi₂O₃ on the electrical properties and microstructure of (Bi_1/2Na_1/2)TiO₃ ceramics

(Bi_1/2Na_1/2)TiO₃ ceramics (BNT) with 0–6 mol % of excess Bi₂O₃ are prepared by conventional solid-state sintering. The electrical properties of the samples are examined. The addition of excess Bi₂O₃ reduces the l...

X.X. Wang, X.G. Tang, K.W. Kwok, H.L.W. Chan, C.L. Choy in Applied Physics A (2005)

Article

Leakage current and pyroelectric properties of compositionally graded (Pb,Ca)TiO₃ films

Highly (100)-oriented, compositionally graded (Pb,Ca)TiO₃ (PCT) thin films with a Ca content from 0 to 24 mol % on Pt/Ti/SiO₂/Si substrates were prepared by a sol-gel process. The graded structure of the Au/PCT/P...

X.G. Tang, J. Wang, Y.W. Zhang, H.L.W. Chan, A.L. Ding, C.L. Choy in Applied Physics A (2004)

Article

Simple transmission ellipsometry method for measuring the electric-field-induced birefringence in PLZT thin films

J. Wang, D. Y. Wang, F. Li, X. G. Tang, H. L. W. Chan… in Journal of Materials Science (2004)

Article

Preparation and Dielectric Properties of PMN–PT Ceramics

H. K. Guo, X. G. Tang, J. X. Zhang, S. W. Shan… in Journal of Materials Science Letters (1998)