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Xiaohan Yu
Researcher at Kunming University of Science and Technology
Publications - 36
Citations - 250
Xiaohan Yu is an academic researcher from Kunming University of Science and Technology. The author has contributed to research in topics: Temperature coefficient & Electrical resistivity and conductivity. The author has an hindex of 6, co-authored 20 publications receiving 87 citations.
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Journal ArticleDOI
Influence of Ag doping on electrical and magnetic properties of La0.67Ca0.33MnO3 polycrystalline ceramics
Yang Liu,Tao Sun,Fuquan Ji,Gang Dong,Shuai Zhang,Xiaohan Yu,Zhidong Li,Qingming Chen,Xiang Liu +8 more
TL;DR: In this paper, structural, electrical, and magnetic properties of polycrystalline ceramics were studied by X-ray diffractometry (XRD), scanning electron microscopy (SEM), four-probe resistance-temperature measurements (RT), Xray photoemission spectroscopy (XPS), and vibrating sample magnetometry (VSM).
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A comparative study on high TCR and MR of La0·67Ca0·33MnO3 polycrystalline ceramics prepared by solid-state and sol-gel methods
TL;DR: In this paper, La0·67Ca0·33MnO3 (LCMO) polycrystalline ceramics were fabricated by solid-state (SS) and sol-gel (SG) methods.
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Modulation of room-temperature TCR and MR in La1−xSrxMnO3 polycrystalline ceramics via Sr doping
TL;DR: In this article, the effect of Sr doping on crystal structure, surface morphology, magnetic, and electrical transport properties of LSMO ceramics were investigated systematically using X-ray diffraction (XRD) results.
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Electrical transport properties of (Pr1-xLax)0.7Sr0.3MnO3 (0 ≤ x ≤ 0.3) polycrystalline ceramics prepared by sol-gel process for potential room temperature bolometer use
TL;DR: In this paper, the doping effects of lanthanum on structural, surface morphology and electrical transport properties of obtained polycrystalline ceramics were systematically investigated, and the proposed (Pr0.75La0.25)0.7Sr0.3MnO3 (PLSMO, x = 0, 0.10, 0., 0.25, and 0.30)
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Enhanced room temperature coefficient of resistivity (RT-TCR) and broad metal-insulator transition temperature (TMI) of La0.67Ca0.33-xAgxMnO3 polycrystalline ceramics
Kaili Chu,Tao Sun,Yang Liu,Gang Dong,Shuai Zhang,Hongjiang Li,Xingrui Pu,Xiaohan Yu,Xiang Liu +8 more
TL;DR: In this article, the effects of silver content (x) on crystal structure, grain size, resistivity and magnetic properties of as-prepared LCAMO specimens were investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), elemental mapping and energy dispersive spectrometry (EDS), and standard four-probe method (ρ-T).