Silver addition in polycrystalline La0. 7Ca0. 3MnO3: Large magnetoresistance and anisotropic magnetoresistance for manganite sensors

Q Chen, Y Yang, Y Gao, R Xu, H Zhang, J Ma - Journal of Alloys and …, 2021 - Elsevier
Abstract Perovskite manganite La 1− y Ca y MnO 3 has giant and tunable
magnetoresistance (MR) and anisotropic magnetoresistance (AMR), still the following two …

La0. 67 (Ca0. 24Sr0. 09) MnO3: xAg2O (0≤ x≤ 0.25) composites with improved room–temperature TCR and MR for advanced uncooling infrared bolometers and …

T Sun, Y Liu, G Dong, S Zhang, Z Li, K Chu, X Pu… - Applied Surface …, 2019 - Elsevier
In this research, high–density La 0.67 (Ca 0.24 Sr 0.09) MnO 3: xAg 2 O (LCSMO: xAg 2 O,
x= 0, 0.05, 0.1. 0.15, 0.2, and 0.25) composites were successfully fabricated through the …

A-site K-doping to enhance room-temperature TCR of polycrystalline La0. 8Sr0. 2-xKxMnO3 ceramics

H Li, K Chu, X Pu, S Zhang, G Dong, Y Liu… - Journal of Alloys and …, 2020 - Elsevier
Abstract Herein, polycrystalline La 0.8 Sr 0.2-x K x MnO 3 (LSKMO, 0≤ x≤ 0.2) ceramics
with varying K concentration are successfully synthesized via a facile sol-gel method. The …

Enhanced temperature coefficient of resistance and magnetoresistance of Co-doped La0. 67Ca0. 33MnO3 polycrystalline ceramics

Y Li, J Li, Q Chen, H Zhang, X Liu, Q Chen - Ceramics International, 2022 - Elsevier
Abstract Recently, La 0.67 Ca 0.33 MnO 3 has garnered significant research attention due to
its peculiar physical properties, such as colossal magnetoresistance and metal insulator …

Enhanced TCR and MR by grain boundary modification and phase competition in La0. 67Ca0. 33MnO3: Aux (x= 0, 0.05, 0.1, 0.15) composite ceramics

S Wang, R Hou, L Tian, H Zhang, Y Li, Q Chen - Ceramics International, 2024 - Elsevier
Abstract La 0.67 Ca 0.33 MnO 3 (LCMO) ceramics exhibit high temperature coefficient of
resistance (TCR) and colossal magnetoresistance effect (CMR). Increasing their TCR and …

Effect of sintering temperature on structure and electrical transport properties of La0. 7Ca0. 26Na0. 04MnO3 ceramics

D Wu, H Zhang, L Li, L Qi, Y Gao, Y Yang, Q Chen - Ceramics International, 2021 - Elsevier
Abstract LCNMO (La 0. 7 Ca 0. 26 Na 0. 04 MnO 3) ceramics are prepared via the sol-gel
method and sintered at different temperatures, ranging from 1000 to 1300° C. The influences …

Enhanced room temperature coefficient of resistivity (RT-TCR) and broad metal-insulator transition temperature (TMI) of La0. 67Ca0. 33-xAgxMnO3 polycrystalline …

K Chu, T Sun, Y Liu, G Dong, S Zhang, H Li, XR Pu… - Ceramics …, 2019 - Elsevier
Abstract Polycrystalline La 0.67 Ca 0.33-x Ag x MnO 3 (LCAMO, x= 0, 0.06, 0.15, 0.18, and
0.24) ceramics were fabricated by conventional sol-gel route at relatively low sintering …

Optimization of electrical transport and magnetoresistance of La0. 72Ca0. 28-xPbxMnO3 ceramics by Pb2+ doping

D Wu, H Zhang, X Liu, Y Li, Q Chen - Journal of Alloys and Compounds, 2024 - Elsevier
Abstract Here, La 0.72 Ca 0.28-x Pb x MnO 3 (LCPMO, 0≤ x≤ 0.06) polycrystalline
ceramics are prepared by the sol-gel method and the influence of Pb 2+ doping on …

Effect of V doping on the electrical transport and magnetoresistance properties of La0.825Sr0.175MnO3 ceramics

H Wang, F Ling, Y Li, D Wu, L Qi, Z Liang… - Journal of Sol-Gel …, 2022 - Springer
Abstract La0. 825Sr0. 175Mn1− x V x O3 (x= 0.00–0.05) ceramics were prepared by sol–gel
method. X-ray diffraction analysis illustrates that all samples are perovskite structure, no …

Robust temperature coefficient of resistance of polycrystalline La0. 6Ca0. 4MnO3 under magnetic fields at room temperature

Q Chen, J Hu, Y Yang, Y Gao, R Xu, H Zhang, J Ma - Ceramics …, 2021 - Elsevier
In the presence of magnetic field, reducing the loss in temperature coefficient of resistance
(TCR) and increasing metal− insulator transition point (T MI) to room temperature are the …