Preparation and characterization of Bi0.9Ho0.1Fe0.95 Cr0.05O3 ceramics - 文章详情页

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摘要：

Bi0.9Ho0.1Fe0.95　Cr0.05O3　(BHFCO)　ceramic　was　synthesized　by　the　solid-state　reaction　method.　BHFCO　ceramic　has　a　perovskite　rhombohedral　R3c　structure　proved　by　XRD　measurements,　and　the　lattice　parameter　was　smaller　than　BiFeO3.　The　dielectric　properties　test　and　the　differential　scanning　calorimetry　show　BHFCO　ceramic　exhibits　a　strong　relax　ferroelectric　feature　and　the　Neel　temperature　is　315°C.　Well　room　temperature　saturated　ferroelectric　hysteresis　loops　has　been　observed,　and　the　remanent　polarization　is　around　20.25　μC/cm2.　X-ray　photoelectron　spectroscopy　proves　the　valence　states　of　Fe　ions　of　BHFCO　ceramics　is　3+.　Well　room　temperature　saturated　ferromagnetic　hysteresis　loops　also　has　been　observed,　and　the　remanent　magnetization　and　saturation　magnetization　are　0.476　A·m2/kg　and　2.290　A·m2/kg　respectively.

关键词：

Ceramic materials Dielectric materials Differential scanning calorimetry Ferroelectricity Ferroelectric materials Magnetic materials Photoelectrons Remanence Solid state reactions X ray photoelectron spectroscopy

作者机构：

[ 1 ] [Xie, Qun-Feng]College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
[ 2 ] [Zhang, Ming]College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
[ 3 ] [Hu, Zhou]College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
[ 4 ] [Deng, Hao-Liang]College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
[ 5 ] [Zhong, Qi]College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China
[ 6 ] [Yan, Hui]College of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China

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