View in EDS

Power-law scaling of low-temperature effective mass in La3ScBi5.

Saved in:
Bibliographic Details
Title: Power-law scaling of low-temperature effective mass in La3ScBi5.
Authors: Li, Yi-Ran1 (AUTHOR), Gao, Yong-Hao2 (AUTHOR), Lu, Xiao-Qin3 (AUTHOR), Su, Ping1 (AUTHOR), Liang, Hui1 (AUTHOR), Zhou, Ying1 (AUTHOR), Wu, Dan-Dan1 (AUTHOR), Sun, Yan1 (AUTHOR), Li, Qiu-Ju4 (AUTHOR), Liu, Jin-Yu5 (AUTHOR), Wang, Shou-Guo1 (AUTHOR), Chen, Gang6,7 (AUTHOR), Xia, Tian-Long8,9,10 (AUTHOR) tlxia@ruc.edu.cn, Li, Na1 (AUTHOR) nli@ahu.edu.cn, Sun, Xue-Feng1 (AUTHOR) xfsun@ahu.edu.cn, Wang, Yi-Yan1 (AUTHOR) wyy@ahu.edu.cn
Source: Chinese Physics B. 2026, Vol. 35 Issue 5, p1-6. 6p.
Subjects: Effective mass (Physics), Magnetoresistance, Electron transport, Scaling laws (Statistical physics), Intermetallic compounds
Abstract: The variation of the effective mass m * of carrier is often overlooked in experimental studies on quantum oscillations and Kohler's rule. Here, we report the magnetotransport properties of La3ScBi5 and reveal the changing m * in it. The temperature and magnetic field dependence of m * follows the power-law scaling behavior at low temperature and leads to the failure of conventional analysis, which should not be ignored. In the analysis of the thermal factor and Dingle plot of de Haas–van Alphen oscillation in La3ScBi5, satisfactory fitting results can be obtained after considering the correction of m *. We have also applied this method to Sr1− y Mn1− z Sb2, solving the remaining fitting problem in previous reports. Moreover, the magnetoresistance (MR) of La3ScBi5 has been found to violate Kohler's rule. Although the extended Kohler's rule is applicable to high-temperature MR data, it does not scale the low-temperature data well. We further modified the extended Kohler's rule by introducing m *, and subsequently scaled the low-temperature MR data well. Our study emphasizes the importance of considering the variation of m * in the analysis of quantum oscillations and Kohler's rule, and provides a method for extracting the temperature and magnetic field dependence of m * through quantum oscillations, which is very beneficial for the data analysis of other materials in the future. [ABSTRACT FROM AUTHOR]
Copyright of Chinese Physics B is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
Description
Abstract:The variation of the effective mass m * of carrier is often overlooked in experimental studies on quantum oscillations and Kohler's rule. Here, we report the magnetotransport properties of La3ScBi5 and reveal the changing m * in it. The temperature and magnetic field dependence of m * follows the power-law scaling behavior at low temperature and leads to the failure of conventional analysis, which should not be ignored. In the analysis of the thermal factor and Dingle plot of de Haas–van Alphen oscillation in La3ScBi5, satisfactory fitting results can be obtained after considering the correction of m *. We have also applied this method to Sr1− y Mn1− z Sb2, solving the remaining fitting problem in previous reports. Moreover, the magnetoresistance (MR) of La3ScBi5 has been found to violate Kohler's rule. Although the extended Kohler's rule is applicable to high-temperature MR data, it does not scale the low-temperature data well. We further modified the extended Kohler's rule by introducing m *, and subsequently scaled the low-temperature MR data well. Our study emphasizes the importance of considering the variation of m * in the analysis of quantum oscillations and Kohler's rule, and provides a method for extracting the temperature and magnetic field dependence of m * through quantum oscillations, which is very beneficial for the data analysis of other materials in the future. [ABSTRACT FROM AUTHOR]
ISSN:16741056
DOI:10.1088/1674-1056/ae39d1