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- Publications
- Influence
Fe-vacancy order and superconductivity in tetragonal β-Fe1-xSe
- Ta-Kun Chen, C. Chang, +12 authors D. Van dyck
- Materials Science, Medicine
- Proceedings of the National Academy of Sciences
- 18 December 2013
Significance We report the observation in the FeSe system of various Fe-vacancy orders, which are similar to those discovered in A1-xFe2-ySe2 superconductors. We observed at least three different… Expand
An ultra-fast response gasochromic device for hydrogen gas detection
- C. H. Hsu, Chung-Chieh Chang, +9 authors Maw-Kuen Wu
- Materials Science
- 1 September 2013
Abstract In the present work, gasochromic tungsten oxide (WO 3 ) thin films on glass substrate were fabricated by Pulsed Laser Deposition (PLD) system. Pt was sputtered on the surface of WO 3 thin… Expand
Pulsed laser deposition of (MoO3)1 − x(V2O5)x thin films: Preparation, characterization and gasochromic studies
- Chung-Chieh Chang, J. Luo, +8 authors Maw-Kuen Wu
- Materials Science
- 30 December 2010
Abstract In this study we demonstrate a new composite oxide thin films of (MoO 3 ) 1 − x (V 2 O 5 ) x , x = 0, 0.01, 0.03, and 0.05, fabricated by pulsed laser deposition (PLD). The performance of… Expand
Anisotropic dielectric and ferroelectric response of multiferroic LiCu2O2 in magnetic field
LiCu2O2 is the first multiferroic cuprate to be reported and its ferroelectricity is induced by complex magnetic ordering in ground state, which is still in controversy today. Herein, we have grown… Expand
Characterization of multiferroic LiTMxCu2−xO2 (TM=Ni and Zn) single crystals
- W. Chao, K. Yeh, +6 authors Mau-Kuen Wu
- Materials Science
- 1 May 2011
Abstract We investigate a series of single crystalline samples of LiT M x Cu 2− x O 2 (T M =Ni and Zn) grown by floating-zone technique. As-grown crystals showed a clear X-ray diffraction pattern of… Expand
Multiferroicity in geometrically frustrated α-MCr2O4 systems (M =Ca, Sr, Ba)
- L. Zhao, Tian-wey Lan, +8 authors C. Martin
- Materials Science, Physics
- 1 August 2012
We have successfully synthesized three quasi-2D geometrically frustrated magnetic compounds (\alpha-MCr_2O_4, M=Ca, Sr, Ba) using the spark-plasma-sintering technique. All these members of the… Expand
Diamagnetic and Electrical Properties of SixMo2S3−x (x=0.1, 0.2, 0.33, 0.5) and A0.1Mo2S3−x (A=C, B, and Ru)
Mo2S3 doped with Si, C, B, and Ru, is identified to bear the same crystalline structure P21/m as that of Mo2S3 through XRD analysis. Diamagnetic transitions with χm∼10−4 emu/g Oe at temperature… Expand
Observation of iron d-orbitals modifications in superconducting FeSe by Raman spectra study
Abstract We have studied the Raman spectra of superconducting FeSe and non-superconducting Cu-doped FeSe crystals at different temperatures. The spectral range covers the phonon modes at low… Expand
Enhanced temperature stability and quality factor with Hf substitution for Sn and MnO2 doping of (Ba0.97Ca0.03)(Ti0.96Sn0.04)O3 lead-free piezoelectric ceramics with high Curie temperature
- C. C. Tsai, W. Chao, S. Chu, C. Hong, Chung Ming Weng, H. H. Su
- Materials Science
- 15 December 2016
In this work, the process of two-stage modifications for (Ba0.97Ca0.03)(Ti0.96Sn0.04-xHfx)O3 (BCTS4-100xH100x) ceramics was studied. The trade-off composition was obtained by Hf substitution for Sn… Expand
Characterization of multiferroic LiTM x Cu 2 x O 2 ( TM 1⁄4 Ni and Zn ) single crystals
We investigate a series of single crystalline samples of LiTMxCu2 xO2 (TM1⁄4Ni and Zn) grown by floatingzone technique. As-grown crystals showed a clear X-ray diffraction pattern of pure(single)… Expand
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