李柱柏,男,1975年11月生,博士,教授。1998.06在兰州大学材料科学系材料物理专业获学士学位,2010.07在宁波大学理学院凝聚态物理专业获硕士学位,2014.01在中国科学院物理研究所获博士学位。近年主要开展稀土永磁体磁性耦合增强机理和制备关键技术研究。承担国家自然科学基金、内蒙古自然科学基金等项目。发表论文30余篇,其中4篇以第一作者在应用物理学TOP期刊Appl. Phys. Lett.发表。阐述两相界面元素扩散对磁性能影响机制,为优化复合磁体的制备工艺提供理论基础;建立通过热激活研究磁体反磁化过程的方法,提出磁体矫顽力与晶粒表层自耦合特性之间存在直接关系。相关研究在稀土磁体研究领域获得广泛关注,获中核集团公司科学技术奖二等奖,授权发明专利4项,入选内蒙古自治区“321人才工程”。
科学研究项目:
主持国家自然科学基金项目:烧结(Nd,Dy)-Fe-B双主相磁体稀土元素扩散的控制和磁性能的研究(51861030)39万元 2019.01-2022.12负责人;
主持国家自然科学基金项目:Pr2Fe14B/Ce2Fe14B纳米复合磁体的界面合金化对磁性能的影响(51461033)48万元 2015.01-2018.12负责人 已结题;
主持内蒙古自然科学基金项目:(Ce,Nd)2Fe14B磁体Ce离子价态调制和磁晶各向异性场的研究(2020MS01007)10万元 2020.07-2022.12负责人;
主持内蒙古自然科学基金项目:Nd元素晶间扩散对Ce2Fe14B磁体矫顽力的影响及其机理的研究(2016MS0518)8万元 2016.01-2018.12负责人 已结题;
主持bv伟德源自英国始于1946创新基金:烧结(PrCe)2Fe14B/Pr2Fe14B复合磁体反磁化过程的研究(2014QDL041)2万元 2014.12-2016.12 负责人 已结题;
参与承担国家重点研发项目:高丰度稀土永磁材料的高通量规模组合式制备技术研究(2016YFB0700903)246万元 2016.07-2020.06主要参加人;
参与承担国家自然科学基金项目:白云鄂博共伴生原矿混合稀土永磁材料的制备与机理研究(51571126)114万元 2016.01-2019.12 主要参加人;
参与承担内蒙古自治区科技创新引导奖励资金项目:白云鄂博共伴生原矿混合稀土永磁材料的研究与开发(414030502)80万元2015.01-2017.12 主要参加人
代表性学术成果:
[1]秦渊,马斌杰,李柱柏*,元素扩散对烧结(Nd,Tb)-Fe-B磁体反磁化和矫顽力的影响,稀有金属材料与工程.50, 1378 (2021).
[2]Zhu-bai Li, Jing-zhao Li, Zhi-yi Xu, Yong-feng Li, Xue-feng Zhang, Effect of Nd Substitution for Mischmetal on Magnetic Properties in (MM,Nd)-Fe-B Ribbons,Journal of Magnetics.25, 43 (2020).
[3]Zhu-Bai Li, Yuan Qin, Yun Li, Yan-Li Liu, Yong-Feng Li, and Xue-Feng Zhang, Effect of DyHx addition on the elemental distribution, magnetization reversal and coercivity in sintered Nd-Fe-B magnets,Materials Research Express. 6, 126111(2019).
[4]Zhu-bai Li, Zhi-xin Zhang, Dong-shan Wang, Zhi-yi Xu, Yong-feng Li, Qian Zhao, Xue-feng Zhang, Magnetic properties, microstructure and magnetization reversal in sintered Nd12.2Fe81.8B6 magnets with the addition of Tb17Fe75B8,Journal of Magnetism and Magnetic Materials. 483, 5 (2019).
[5]李柱柏,李赟,秦渊,沈保根,稀土永磁体及复合磁体反磁化过程和矫顽力,物理学报. 68, 177501 (2019).
[6]Zhu-Bai Li, Jing-Yan Zuo, Dong-Shan Wang, Fei Liu, and Xue-Feng Zhang, Regulating element distribution to improve magnetic properties of sintered Nd-Fe-B/Tb-Fe-B composite magnets,Chinese Physics B 28, 077503 (2019).
[7]Dong-shan Wang,Zhu-bai Li*, Fei Liu, Qiang Ma, Yong-feng Li, Qian Zhao, Xue-feng Zhang, Magnetic properties and element distribution in sintered (Nd,Pr)-Fe-B/Tb-Fe-B composite magnets, Materials Letters. 228, 509 (2018).
[8]Zhu-bai Li, Dong-shanWang, Zhi-xin Zhang, Xue-feng Zhang, Feng-xia Hu, Ji-rong Sun, Bao-gen Shen, Gd substitution for Ce in preparing (Ce,Gd)-Fe-B magnets,Journal of Alloys and Compounds. 729, 988 (2017).
[9]Le-le Zhang,Zhu-bai Li*, Qiang Ma, Yong-feng Li, Qian Zhao, Xue-feng Zhang, Coercivity enhancement in (Ce,Nd)-Fe-B sintered magnets prepared by adding NdHx powders,Journal of Magnetism and Magnetic Materials. 435, 96 (2017).
[10]Le-le Zhang,Zhu-bai Li*, Xue-feng Zhang, Qiang Ma, Yan-li Liu, Yong-feng Li, and Qian Zhao, Uniform magnetization reversal in dual main-phase (Ce,Nd)2Fe14B sintered magnets with inhomogeneous microstructure,Journal of Physics D: Applied Physics. 50, 065001 (2017).
[11]Xue-feng Zhang, Le-le Zhang,Zhu-bai Li*, Jian-ting Lan, Yan-li Liu, Qiang Ma, Yong-feng Li, and Qian Zhao, Variation of coercivity with Ce content in (Pr,Nd,Ce)2Fe14B sintered magnets,AIP Advances. 7, 056228 (2017).
[12]Zhu-bai Li, Ming Zhang, Bao-gen Shen, Feng-xia Hu, Ji-rong Sun, Variations of phase constitution and magnetic properties with Ce content in Ce-Fe-B permanent magnets,Materials Letters. 172, 102 (2016).
[13]Xue-Feng Zhang, Jian-Ting Lan,Zhu-Bai Li*, Yan-Li Liu, Le-Le Zhang, Yong-Feng Li, and Qian Zhao, Abnormal variation of magnetic properties with Ce content in (Pr,Nd,Ce)2Fe14B sintered magnets prepared by dual alloy method,Chinese Physics B 25, 057502 (2016).
[14]Z. B. Li, B. G. Shen, M. Zhang, F. X. Hu, and J. R. Sun, Substitution of Ce for Nd in preparing R2Fe14B nanocrystalline magnets.Journal of Alloys and Compounds. 628, 325 (2015).
[15]Z. B. Li, B. G. Shen, M. Zhang, Y. Zhang, F. X. Hu, and J. R. Sun, Irreversible magnetization and self-interaction investigated by thermal activation in Pr2Fe14B magnets.Applied Physics Letters. 106, 042403 (2015).