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Effect of Impurity Substitution on Magnetism of Rhodochrosite
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Jingqi ZHANG1, Qin ZHANG2, 3, 4
Mining and Metallurgical Engineering | 2025, 45(1) : 51 - 56
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Mining and Metallurgical Engineering | 2025, 45(1): 51-56
• MINERAL PROCESSING •
Effect of Impurity Substitution on Magnetism of Rhodochrosite
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Jingqi ZHANG1, Qin ZHANG2, 3, 4
Affiliations
  • 1.Mining College, Guizhou University, Guiyang 550025, Guizhou, China
  • 2.Guizhou Academy of Sciences, Guiyang 550001, Guizhou, China
  • 3.National & Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Areas, Guiyang 550025, Guizhou, China
  • 4.Guizhou Key Laboratory of Comprehensive Utilization of Nonmetallic Mineral Resources, Guiyang 550025, Guizhou, China
Published: 2025-02-01 doi: 10.3969/j.issn.0253-6099.2025.01.009
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The electronic structure and spin state of pristine rhodochrosite and rhodochrosites with Mn atoms substituted by Ca, Mg or Fe atoms were calculated by density functional theory (DFT), and the magnetism of rhodochrosites was investigated by calculating their spin magnetic moment. The results show that substituting Mn atoms in rhodochrosite for Ca, Mg or Fe atoms can weaken the magnetism of rhodochrosite, and, among the four types of atoms, Mn atoms exhibit the highest saturation magnetization, followed by Fe atoms. The magnetic field and spin magnetic moment generated by the relative motion of ion core to electron of Mn2+ are larger than those of Ca2+, Mg2+ and Fe2+.

rhodochrosite  /  magnetism  /  impurity substitution  /  density functional theory (DFT)  /  electron spin  /  ion core
Jingqi ZHANG, Qin ZHANG. Effect of Impurity Substitution on Magnetism of Rhodochrosite[J]. Mining and Metallurgical Engineering, 2025 , 45 (1) : 51 -56 . DOI: 10.3969/j.issn.0253-6099.2025.01.009
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doi: 10.3969/j.issn.0253-6099.2025.01.009
  • Receive Date：2024-08-17
  • Online Date：2026-03-17
  • Published：2025-02-01
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  • Received：2024-08-17
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Affiliations
    1.Mining College, Guizhou University, Guiyang 550025, Guizhou, China
    2.Guizhou Academy of Sciences, Guiyang 550001, Guizhou, China
    3.National & Local Joint Laboratory of Engineering for Effective Utilization of Regional Mineral Resources from Karst Areas, Guiyang 550025, Guizhou, China
    4.Guizhou Key Laboratory of Comprehensive Utilization of Nonmetallic Mineral Resources, Guiyang 550025, Guizhou, China
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https://castjournals.cast.org.cn/joweb/kygczz/EN/10.3969/j.issn.0253-6099.2025.01.009
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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