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Fe-vacancy order and superconductivity in tetragonal β-Fe1-xSe
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 differentExpand
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An ultra-fast response gasochromic device for hydrogen gas detection
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 thinExpand
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Pulsed laser deposition of (MoO3)1 − x(V2O5)x thin films: Preparation, characterization and gasochromic studies
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 ofExpand
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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 grownExpand
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Characterization of multiferroic LiTMxCu2−xO2 (TM=Ni and Zn) single crystals
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 ofExpand
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Multiferroicity in geometrically frustrated α-MCr2O4 systems (M =Ca, Sr, Ba)
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 theExpand
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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 temperatureExpand
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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 lowExpand
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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
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 SnExpand
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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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