{"title":"Fe0.25TaSe2的晶体结构、磁性和输运性质","authors":"N.M. Nosova , N.V. Selezneva , D.A. Shishkin , N.V. Baranov","doi":"10.1016/j.physb.2023.415492","DOIUrl":null,"url":null,"abstract":"<div><p>The Fe<sub>0.25</sub>TaSe<sub>2</sub><span><span><span> polycrystalline samples have been synthesized using two routes of solid-state reactions and various heat treatments and cooling conditions. The obtained samples have been studied by x-ray diffraction, magnetization and electrical resistivity measurements. It has been revealed that various methods of preparation and heat treatment do not have a strong effect on the </span>lattice parameters of the main phase in the samples, but they significantly affect the magnetic critical temperature and magnetic </span>hysteresis of the samples. Depending on the sample preparation procedure magnetic ordering temperature of Fe</span><sub>0.25</sub>TaSe<sub>2</sub> is observed to vary in the range 33–60 K. The coercive field values from 31.7 kOe to 65.3 kOe at <em>T</em> = 2 K are indicative of a very high magnetocrystalline anisotropy in this material. The observed distinctions in the magnetic characteristics of the Fe<sub>0.25</sub>TaSe<sub>2</sub><span> samples obtained by various methods and after different heat treatments can be ascribed to the difference in the distribution of Fe atoms over the crystal lattice.</span></p></div>","PeriodicalId":20116,"journal":{"name":"Physica B-condensed Matter","volume":null,"pages":null},"PeriodicalIF":2.8000,"publicationDate":"2023-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Crystal structure, magnetic and transport properties of Fe0.25TaSe2\",\"authors\":\"N.M. Nosova , N.V. Selezneva , D.A. Shishkin , N.V. Baranov\",\"doi\":\"10.1016/j.physb.2023.415492\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The Fe<sub>0.25</sub>TaSe<sub>2</sub><span><span><span> polycrystalline samples have been synthesized using two routes of solid-state reactions and various heat treatments and cooling conditions. The obtained samples have been studied by x-ray diffraction, magnetization and electrical resistivity measurements. It has been revealed that various methods of preparation and heat treatment do not have a strong effect on the </span>lattice parameters of the main phase in the samples, but they significantly affect the magnetic critical temperature and magnetic </span>hysteresis of the samples. Depending on the sample preparation procedure magnetic ordering temperature of Fe</span><sub>0.25</sub>TaSe<sub>2</sub> is observed to vary in the range 33–60 K. The coercive field values from 31.7 kOe to 65.3 kOe at <em>T</em> = 2 K are indicative of a very high magnetocrystalline anisotropy in this material. The observed distinctions in the magnetic characteristics of the Fe<sub>0.25</sub>TaSe<sub>2</sub><span> samples obtained by various methods and after different heat treatments can be ascribed to the difference in the distribution of Fe atoms over the crystal lattice.</span></p></div>\",\"PeriodicalId\":20116,\"journal\":{\"name\":\"Physica B-condensed Matter\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":2.8000,\"publicationDate\":\"2023-11-15\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Physica B-condensed Matter\",\"FirstCategoryId\":\"101\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0921452623008591\",\"RegionNum\":3,\"RegionCategory\":\"物理与天体物理\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"PHYSICS, CONDENSED MATTER\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Physica B-condensed Matter","FirstCategoryId":"101","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0921452623008591","RegionNum":3,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"PHYSICS, CONDENSED MATTER","Score":null,"Total":0}
Crystal structure, magnetic and transport properties of Fe0.25TaSe2
The Fe0.25TaSe2 polycrystalline samples have been synthesized using two routes of solid-state reactions and various heat treatments and cooling conditions. The obtained samples have been studied by x-ray diffraction, magnetization and electrical resistivity measurements. It has been revealed that various methods of preparation and heat treatment do not have a strong effect on the lattice parameters of the main phase in the samples, but they significantly affect the magnetic critical temperature and magnetic hysteresis of the samples. Depending on the sample preparation procedure magnetic ordering temperature of Fe0.25TaSe2 is observed to vary in the range 33–60 K. The coercive field values from 31.7 kOe to 65.3 kOe at T = 2 K are indicative of a very high magnetocrystalline anisotropy in this material. The observed distinctions in the magnetic characteristics of the Fe0.25TaSe2 samples obtained by various methods and after different heat treatments can be ascribed to the difference in the distribution of Fe atoms over the crystal lattice.
期刊介绍：
Physica B: Condensed Matter comprises all condensed matter and material physics that involve theoretical, computational and experimental work.
Papers should contain further developments and a proper discussion on the physics of experimental or theoretical results in one of the following areas:
-Magnetism
-Materials physics
-Nanostructures and nanomaterials
-Optics and optical materials
-Quantum materials
-Semiconductors
-Strongly correlated systems
-Superconductivity
-Surfaces and interfaces
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