HAN Guangbing;LIU Peiquan;YU Shuyun;LIU Jianqiang;SUN Shangqian;XU Jianqiang;

• 1:School of Physics
• 2: Shandong University
• 3:Shandong Zhengyuan Construction Engineering Co.
• 4: Ltd

Abstract：

Based on the requirements of the target of golden course, a comprehensive experimental project was designed for the purpose of cultivating innovative practical ability. Sm_2 Co_(17) based alloy ingots were prepared by arc melting, nanometer powders(flakes) were prepared by surfactant assisted high-energy ball milling(SABM) after mechanical crushing, and the prepared materials were characterized by X-ray diffractometer, scanning electron microscope, vibrating sample magnetometer and other analytical means. By designing experimental projects with “advanced” and “innovative” content, students' interest in learning is enhanced, their basic experimental skills are improved, and their innovative thinking and scientific research literacy are cultivated.

Key Words： comprehensive ability;innovation experiment;magnetic properties;SmCo magnets

Abstract:

Keywords:

Foundation: 山东省教改项目（Z2024030）;; 教育部产学合作协同育人项目（231000532084716,230802557121954）;; 山东大学教改项目（2024Z24）;; 2025年教育部高等学校物理课程教学指导委员会大中物理教育衔接委员会教学研究课题（WX202536）

Authors: HAN Guangbing;LIU Peiquan;YU Shuyun;LIU Jianqiang;SUN Shangqian;XU Jianqiang;

References：

• [1]黄凯.原子力显微镜的研究型教学实验设计探讨[J].大学物理实验,2014,27(4):24-27.HUANG K. Discussion on the Research Teaching Experiments of Atomic Force Microscopy[J]. Physical Experiment of College, 2014, 27(4):24-27.(in Chinese)
• [2]黄凯,廖卫华,徐雯雯,等.石墨烯/钡铁氧体复合材料的制备及微波吸收性能的综合实验设计[J].大学物理实验,2024, 37(1):41-44.HUANG K, LIAO W H, XU W W, et al. Comprehensive Experimental Design for the Preparation and Microwave Absorption Properties of Graphene/Barium Ferrite Composites[J]. Physical Experiment of College, 2024, 37(1):41-44.(in Chinese)
• [3]张刚,葛强,王辉升,等.基于光纤温度和应变传感器的物理创新实验[J].大学物理,2023,42(4):21-27.ZHANG G, GE Q, WANG H S, et al. Innovative physics experiment based on fiber optic temperature and strain sensor[J]. College Physics, 2023, 42(4):21-27.(in Chinese)
• [4]HAN GB, WANG K, ELKINS K, et al. Cold plasma reduction of surface carbon on Sm Co5 nano-flakes prepared by surfactant-assisted ball-milling[J]. Journal of Magnetism and Magnetic Materials, 2019, 471:250-254.
• [5]RAZA S, ALAM MK, HAN GB, et al. Strong textured Sm2(Co Fe Ti)17 nano-flakes prepared by surfactant-assisted ball milling[J]. Indian Journal of Physics, 2024, 98(8):2829-2836.
• [6]FERNENGEL W, LEHNERT A, KATTER M, et al. Examination of the degree of alignment in sintered Nd-Fe-B magnets by measurements of the remanent polarizations[J].Journal of Magnetism and Magnetic Materials, 1996, 157-158:19-20.
• [7]RONG C B, Nguyen V, LIU J P. Anisotropic nanostructured magnets by magnetic-field assisted processing[J].Journal of Applied Physics, 2010, 107:1-4.
• [8]LIU S, RAY A E. Sm2(Co,Fe,Cu,Zr)17 magnets with higher Fe content[C]. Magnetics Conference, 1989. Digests of INTERMAG'89. International. IEEE, 1989.
• [9]YANGJ,ZHANGD,ZHUR,etal.Effectof(Sm,)Pr2Co7phaseonmagneticpropertiesofhigh-performance(Sm,Pr)Co5 magnet based on EBSD analysis and magnetic domainobservation[J].MaterialsCharacterization,2021,181:111478.
• [10]CHANG H, CHANG W, LEE M, et al. Magnetic properties and M?ssbauer studies of Pr-Fe-B-type nanocomposites[J]. Journal of Magnetism and Magnetic Materials, 2002,239:461-463.
• [11]ZUO W L, ZHAO X, ZHAN T Y, et al. Ultrathin Sm Co5 nanoflakes with high-coercivity prepared by solid particle(Na Cl)and surfactant co-assisted ball milling[J].Scientific Reports, 2016, 6:1-6.