Apr 24, 2024
3:30pm - 4:00pm
Room 421, Level 4, Summit
Daniel Phelan2,Mingyu Xu1,Weiwei Xie1
Michigan State University1,Argonne National Laboratory2
Daniel Phelan2,Mingyu Xu1,Weiwei Xie1
Michigan State University1,Argonne National Laboratory2
Mingyu Xu<sup>1</sup>, Xianglin Ke<sup>2</sup>, Sergey L. Bud'ko<sup>3</sup>, Paul C. Canfield<sup>3</sup>, Weiwei Xie<sup>1*</sup><br/><br/>1. Department of Chemistry, Michigan State University, East Lansing, MI, 48824<br/>2. Department of Physics and Astronomy, Michigan State University, East Lansing, MI, 48824<br/>3. Division of Materials Science, Ames Laboratory, Ames, IA, 50010<br/><br/>SmCrGe<sub>3</sub> was reported in the polycrystalline, which has ferromagnetic order occurring at 155 K [1]. To study the magnetic behaviors of SmCrGe<sub>3</sub>, herein, the single crystals of SmCrGe<sub>3</sub> were grown using high temperature flux method. According to the single crystal X-ray diffraction, SmCrGe3 crystallizes in the hexagonal LaCrGe<sub>3</sub>-type structure with Cr linear chain along the <i>c</i>-axis, which forms the face-sharing Cr-centered octahedra aligned along the <i>c</i>-axis. Compared with itinerant magnet LaCrGe<sub>3</sub>, SmCrGe<sub>3</sub> offers the opportunity to understand the interaction between localized 4<i>f</i> election and itinerant electron in this quasi-one-dimensional system and the role of interaction played in domain pining changing [2], which may explain “one domain” behavior in LaCrGe<sub>3</sub> single crystal. Transport, magnetization, and specific heat measurements are taken. SmCrGe<sub>3</sub> behaves as a hard ferromagnetic material, which is different from other <i>RE</i>CrGe<sub>3</sub> (<i>RE</i> = La - Nd). Coercivity as the function of temperature and field-dependent pinning change are given, and the results will be discussed in detail.<br/><br/>[1] Haiying Bie, et al. <i>Chem. Mater.</i> <b>2007</b>, <i>19</i>, 4613-4620.<br/>[2] M Xu, et al. <i>Phys. Rev. B</i> <b>2023</b>, <i>107</i>, 134437.