Journal of Magnetism and Magnetic Materials最新文献

Pentagon domains in FeGa alloys FeGa合金中的五角形畴

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-04-01 Epub Date: 2026-02-09 DOI: 10.1016/j.jmmm.2026.173921

Yu U. Wang , Matthew N. Tianen , Rudolf Schäfer , Yongmei M. Jin

{"title":"Pentagon domains in FeGa alloys","authors":"Yu U. Wang , Matthew N. Tianen , Rudolf Schäfer , Yongmei M. Jin","doi":"10.1016/j.jmmm.2026.173921","DOIUrl":"10.1016/j.jmmm.2026.173921","url":null,"abstract":"<div><div>This paper reports Bitter method observations of pentagon-shaped magnetic domains on the surface of an Fe<img>Ga single crystal. These domains intersect parallel Landau-Lifshitz-type domains, termed herein banded domains. The pentagon domains are shown to exhibit peculiar segmented zigzag boundaries distinct from the well known 180° V-lines of the banded domains. To analyze the micromagnetic structure of pentagon domains, domain responses to a perpendicular magnetic field are examined. In particular, the magnetization directions of the pentagon domains and adjacent banded domains are determined via the perpendicular magnetic field-induced spike domain configurations. The subsurface structure of the pentagon domains is then inferred, revealing that the segmented zigzag boundaries actually consist of four types of 90° V-lines. These findings based on the Bitter observations are subsequently verified using the Kerr microscopy technique. The coexistence of 90° V-lines and 180° V-lines as two types of zigzag boundaries in Fe<img>Ga further clarifies the origin of zigzag boundaries, which lies at the heart of a significant scientific controversy regarding the magnetic domain phenomena in Fe-based magnetostrictive materials.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"643 ","pages":"Article 173921"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146154130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Improved Dy diffusion efficiency and coercivity in sintered Nd0.5Ce0.5-Fe-B magnets by two-step grain boundary diffusion with PrYCu and DyH PrYCu和DyH两步晶界扩散提高了Nd0.5Ce0.5-Fe-B烧结磁体的Dy扩散效率和矫顽力

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-04-01 Epub Date: 2026-02-11 DOI: 10.1016/j.jmmm.2026.173871

Jiamin Wang , Guangfei Ding , Zexuan Wang , Yuheng Xie , Shuai Cao , Xiao Yang , Binhong Zhang , Bo Zheng , Hao Huang , Shuai Guo , Renjie Chen , Shenglei Che , Aru Yan

{"title":"Improved Dy diffusion efficiency and coercivity in sintered Nd0.5Ce0.5-Fe-B magnets by two-step grain boundary diffusion with PrYCu and DyH","authors":"Jiamin Wang , Guangfei Ding , Zexuan Wang , Yuheng Xie , Shuai Cao , Xiao Yang , Binhong Zhang , Bo Zheng , Hao Huang , Shuai Guo , Renjie Chen , Shenglei Che , Aru Yan","doi":"10.1016/j.jmmm.2026.173871","DOIUrl":"10.1016/j.jmmm.2026.173871","url":null,"abstract":"<div><div>A novel two-step grain boundary diffusion approach utilizing PrYCu and DyH was employed on the sintered NdCe-Fe-B magnets (50 wt% Nd substituted by Ce). The coercivity of the two-step diffusion magnet reached 16.14 kOe, much higher than the magnet with only DyH diffusion (12.68 kOe). The coercivity enhancement was more distinct than that in conventional Dy/Tb diffused high-Ce magnets and enhanced thermal stability significantly. Microstructural and compositional analyses suggested that the pre-diffusion of PrYCu could form the Y-rich Ce-lean shell, which inhibited the Dy from diffusing into the interior of the grains during DyH diffusion. Instead, Dy trended to migrate into the deep interior of the magnets, accounting for the improved Dy diffusion efficiency and coercivity in the high Ce content magnet. Magnetic domain observation verified the strengthened demagnetization-resistance over a more extensive depth range. This work laid a foundation for the advancement of high-Ce content magnets with superior performance.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"643 ","pages":"Article 173871"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146187616","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Carrier doping modulates magnetism and valley polarization in MnPX3 (X = S, Se and Te) monolayer 载流子掺杂调制MnPX3 （X = S， Se和Te）单层的磁性和谷极化

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-04-01 Epub Date: 2026-02-11 DOI: 10.1016/j.jmmm.2026.173880

Changwei Wu, Weiping Gong, Yun Xie, Jianming Deng

{"title":"Carrier doping modulates magnetism and valley polarization in MnPX3 (X = S, Se and Te) monolayer","authors":"Changwei Wu, Weiping Gong, Yun Xie, Jianming Deng","doi":"10.1016/j.jmmm.2026.173880","DOIUrl":"10.1016/j.jmmm.2026.173880","url":null,"abstract":"<div><div>In recent years, valley-contrasting physics in 2D magnetic materials has attracted significant attention in fundamental sciences and emerging information technology. Here, using first-principles calculations, we explore the effects of carrier doping on the magnetism and valley polarization in MnPX<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> (X = S, Se, Te) monolayers. The MnPX<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> monolayers host intrinsic Néel antiferromagnetic (AFM-N) states with in-plane anisotropy and exhibit valley polarization between <span><math><mi>K</mi></math></span> and <span><math><mrow><mo>−</mo><mi>K</mi></mrow></math></span>. Moreover, a series of magnetic state diagrams of MnPX<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> (X = S, Se and Te) monolayers are achieved under carrier doping. Interestingly, appropriate electron doping induces a reorientation of the easy magnetization axis to out-of-plane in the MnPTe<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> monolayer, thereby realizing spontaneous valley polarization and the anomalous valley Hall effect. Above a doping concentration of 0.2 carriers per unit cell, the MnPTe<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> monolayer transitions into a ferromagnetic half-metallic state. Those findings further unveil that MnPX<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> (X = S, Se and Te) monolayers are promising valley materials for developing valleytronic and spintronic devices.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"643 ","pages":"Article 173880"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146187598","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Influence of preparation method on magnetic properties and martensitic transformations of ferromagnetic MnCoGe alloys 制备方法对铁磁MnCoGe合金磁性能和马氏体相变的影响

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-04-01 Epub Date: 2026-02-06 DOI: 10.1016/j.jmmm.2026.173914

Taisei Tsunematsu , Masahira Onoue , Yoshifuru Mitsui , Rie Y. Umetsu , Keiichi Koyama

引用次数: 0

Pressure-induced magnetic transition in the quasi one-dimensional quantum halide CsTiI3 准一维量子卤化物CsTiI3的压力感应磁跃迁

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-04-01 Epub Date: 2026-02-12 DOI: 10.1016/j.jmmm.2026.173882

Jorge M. Osorio-Guillén , John A. Vélez-Vélez , Juan C. Alvarez-Quiceno , Gustavo M. Dalpian

{"title":"Pressure-induced magnetic transition in the quasi one-dimensional quantum halide CsTiI3","authors":"Jorge M. Osorio-Guillén , John A. Vélez-Vélez , Juan C. Alvarez-Quiceno , Gustavo M. Dalpian","doi":"10.1016/j.jmmm.2026.173882","DOIUrl":"10.1016/j.jmmm.2026.173882","url":null,"abstract":"<div><div>Halide perovskites, such as CsPbI<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span>, are well-known as semiconductors for optoelectronic applications. However, this diverse family of compounds can also exhibit a range of unexplored physical properties, including those of quantum materials. We conducted a quantum mechanical study of CsTiI<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> to investigate its potential as a quantum material. Our calculations reveal complex magnetic interactions that are highly tunable by external pressure. We found that CsTiI<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> undergoes a series of pressure-induced phase transitions: from a linear-chain ferromagnetic (FM) half-metal to an antiferromagnetic (AFM) metal at 6.5 GPa. At even higher pressures, the titanium (Ti) magnetic moment is quenched, leading to a transition to a non-magnetic (NM) metallic state. The ferromagnetic to antiferromagnetic phase transition is explained by the 90 ° superexchange model, where the behavior of the intrachain magnetic coupling is governed by the value of the angle within the I–Ti–I chain. This discovery of pressure-tunable magnetism in CsTiI<span><math><msub><mrow></mrow><mrow><mn>3</mn></mrow></msub></math></span> highlights the unexplored potential of halide perovskites for novel quantum phenomena.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"643 ","pages":"Article 173882"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146187618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Probing the impact of the inclusion of NiFe2O4 on the structural and magnetic properties of LaSrBiMnO3 ceramics 探讨NiFe2O4包合物对LaSrBiMnO3陶瓷结构和磁性能的影响

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-04-01 Epub Date: 2026-02-09 DOI: 10.1016/j.jmmm.2026.173911

Shekhar Kumar , Md. Kashif Shamim , Divya Kumari , Shaishtah Naaz , Kavita Verma , Nisha Kumari , Ruchi Rashmi , Seema Sharma

{"title":"Probing the impact of the inclusion of NiFe2O4 on the structural and magnetic properties of LaSrBiMnO3 ceramics","authors":"Shekhar Kumar , Md. Kashif Shamim , Divya Kumari , Shaishtah Naaz , Kavita Verma , Nisha Kumari , Ruchi Rashmi , Seema Sharma","doi":"10.1016/j.jmmm.2026.173911","DOIUrl":"10.1016/j.jmmm.2026.173911","url":null,"abstract":"<div><div>Polycrystalline samples of (1-x)La<sub>0.4</sub>Sr<sub>0.3</sub>Bi<sub>0.3</sub>MnO<sub>3</sub>-(x)NiFe<sub>2</sub>O<sub>4</sub> (LSBMO-NFO) (x = 0.01, 0.02, 0.03 and 0.04) ceramics were planetary ball milled and synthesized by conventional solid state sintering method. The emphasis of this study was to explore the structure and magnetic properties of LSBMO-NFO as a function of increasing NFO content. Structural characterization was conducted using X-ray diffraction (XRD) and Raman spectroscopy. Rietveld refinement of the XRD data was employed to quantify the structural parameters, confirms the coexistence of orthorhombic and cubic phases phase, while the individual phase fractions adhered to the stoichiometric proportions of the chemical compositions. Moreover, with increasing NFO content, both the phase fraction and unit cell volume of the orthorhombic phase exhibited a gradual reduction. While Lorentzian fitted Raman spectra complemented the XRD findings. Further chemical state evaluated from X-ray photoelectron spectroscopy (XPS) confirms that Fe and Mn were present in 3+ and 4+ mixed states respectively. Reduction in Mn<sup>4+</sup> ratio and increase in Fe<sup>4+</sup> ratio was found to increase with increase in NFO percentage. Field dependent room temperature magnetic study revealed canted antiferromagnetic nature, while the temperature-dependent magnetization studies of LSBMO-NFO compounds reveal a complex magnetic behavior driven by the interplay of long-range ferromagnetic and short-range spin correlations.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"643 ","pages":"Article 173911"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146187617","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Evidence for reduced anti-site disorder and enhanced magnetic moments in Fe2VxCr1-xAl (0 ≤ x ≤ 1) Heusler compounds Fe2VxCr1-xAl(0≤x≤1)Heusler化合物中反位点紊乱减少和磁矩增强的证据

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-04-01 Epub Date: 2026-02-08 DOI: 10.1016/j.jmmm.2026.173913

A.S. Kamble , Keshav Sharma , C.S. Yadav , S.D. Kaushik

{"title":"Evidence for reduced anti-site disorder and enhanced magnetic moments in Fe2VxCr1-xAl (0 ≤ x ≤ 1) Heusler compounds","authors":"A.S. Kamble , Keshav Sharma , C.S. Yadav , S.D. Kaushik","doi":"10.1016/j.jmmm.2026.173913","DOIUrl":"10.1016/j.jmmm.2026.173913","url":null,"abstract":"<div><div>We report a comprehensive structural and magnetic study on the Fe<sub>2</sub>V<sub>x</sub>Cr<sub>1-x</sub>Al (x = 0, 0.25, 0.50, 0.75, 1) series of full Heusler compounds. Crystal structure of this series is analyzed by X-Ray Diffraction (XRD) and Neutron Powder Diffraction (NPD) at room temperature which reveal that the degree of anti-site disorder, particularly involving Fe, V/Cr, and Al atoms, systematically decreases with increasing vanadium concentration. This trend is identified through the evolution of superlattice reflections, notably the (111), (200) peaks. Magnetic measurements indicate a non-trivial evolution of the effective magnetic moment, with Fe<sub>2</sub>CrAl (x = 0) exhibiting a higher moment than predicted by the Slater-Pauling rule, suggesting enhancement in the direct exchange between Fe atoms due to anti-site disorder. The results highlight the sensitivity of atomic ordering and magnetic behavior to compositional tuning in Fe-based Heusler compounds. The conventional Boltzmann framework cannot be used to describe the temperature dependent resistivity behavior of Fe<sub>2</sub>V<sub>x</sub>Cr<sub>1-x</sub>Al. Instead, the system exhibits a disorder-driven crossover from a pseudo-gapped semi-metallic state to an Anderson-localized regime, accompanied by significant contributions from spin-fluctuation scattering.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"643 ","pages":"Article 173913"},"PeriodicalIF":3.0,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146187619","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Tailoring room-temperature ferromagnetism and magneto-transport in cuCr co-doped ZnS nanoparticles cuCr共掺杂ZnS纳米颗粒的室温铁磁性和磁输运裁剪

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-03-15 Epub Date: 2026-01-29 DOI: 10.1016/j.jmmm.2026.173879

Prayas Chandra Patel , Yogendra Lal Verma , Swati Raman , Aditya Narayan Upadhyay

{"title":"Tailoring room-temperature ferromagnetism and magneto-transport in cuCr co-doped ZnS nanoparticles","authors":"Prayas Chandra Patel , Yogendra Lal Verma , Swati Raman , Aditya Narayan Upadhyay","doi":"10.1016/j.jmmm.2026.173879","DOIUrl":"10.1016/j.jmmm.2026.173879","url":null,"abstract":"<div><div>Transition metal co-doping has emerged as an effective strategy to tailor the magnetic and electronic properties of wide-bandgap semiconductors for spintronic applications. In this work, Cu<img>Cr co-doped ZnS nanoparticles were synthesized via a simple wet-chemical precipitation method and systematically investigated for their structural, optical, magnetic, and transport properties. The nanoparticles crystallize in the cubic ZnS phase with defect-assisted absorption features, confirming successful dopant incorporation without secondary impurity phases. Optical measurements reveal bandgap tuning influenced by the combined action of Cu- and Cr-induced states. Magnetic characterization at room temperature demonstrates clear ferromagnetic hysteresis across all co-doped compositions, with the degree of ferromagnetism strongly dependent on the relative Cu:Cr ratio. Cu-rich samples exhibit enhanced saturation magnetization and soft ferromagnetic behaviour, while Cr-rich samples show reduced magnetization but increased coercivity due to competing antiferromagnetic interactions. Magneto-transport studies further reveal pronounced negative magnetoresistance, the magnitude of which correlates directly with the strength of ferromagnetic ordering. This behaviour is consistent with a bound magnetic polaron percolation mechanism mediated by sulfur-vacancy-induced carriers. The results establish Cu<img>Cr co-doped ZnS as a promising diluted magnetic semiconductor where room-temperature ferromagnetism and spin-dependent transport can be engineered through controlled co-doping. The tunable balance between magnetic ordering, anisotropy, and negative magnetoresistance highlights the potential of this system for spintronic and multifunctional optoelectronic applications.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"642 ","pages":"Article 173879"},"PeriodicalIF":3.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146076815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Magnetization reversal and anisotropies in buffered transition-metal alloys thin films 缓冲过渡金属合金薄膜的磁化反转和各向异性

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-03-15 Epub Date: 2026-01-29 DOI: 10.1016/j.jmmm.2026.173868

A. Lo Giudice , A. Roman , L.B. Steren

{"title":"Magnetization reversal and anisotropies in buffered transition-metal alloys thin films","authors":"A. Lo Giudice , A. Roman , L.B. Steren","doi":"10.1016/j.jmmm.2026.173868","DOIUrl":"10.1016/j.jmmm.2026.173868","url":null,"abstract":"<div><div>Interest in planar Hall effect (PHE) sensors has re-emerged in recent years due to their promising potential for a wide range of applications, particularly in biotechnology. Sensor sensitivity can be enhanced by lowering the effective anisotropy field; however, this favors magnetic domain formation during magnetization reversal, leading to hysteretic responses. Therefore, precise control of magnetic anisotropy and magnetization reversal is essential to balance sensitivity and stability in PHE sensors. In this work, we investigate the magnetic anisotropy and magnetization reversal mechanisms of Ni–Fe- and Co–Fe-based multilayers grown on various metallic buffer layers and deposited with and without an external magnetic field, in order to evaluate the effects of the buffer layers and field-assisted deposition on the resulting magnetic anisotropy. NiFe films exhibit a dominant uniaxial anisotropy mainly determined by the applied field during growth, with an anisotropy constant of approximately <span><math><mrow><mn>3</mn><mspace></mspace><mfrac><mrow><mi>kerg</mi></mrow><mrow><msup><mrow><mi>cm</mi></mrow><mrow><mn>3</mn></mrow></msup></mrow></mfrac></mrow></math></span>, largely independent of the buffer layer. In contrast, the magnetic anisotropy of CoFe films is dominated by the buffer layer, resulting in a biaxial magnetic response. In particular, Ag-buffered films deposited under an external magnetic field exhibit a biaxial anisotropy with values up to <span><math><mrow><mn>14</mn><mo>.</mo><mn>88</mn><mspace></mspace><mfrac><mrow><mi>kerg</mi></mrow><mrow><msup><mrow><mi>cm</mi></mrow><mrow><mn>3</mn></mrow></msup></mrow></mfrac></mrow></math></span>. The magnetization reversal mechanism of each system was deduced from the analysis of the coercive field angular dependence.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"642 ","pages":"Article 173868"},"PeriodicalIF":3.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146185800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural and thermomagnetic properties in Mn50Ni50−xSnx (x=13, 14, 15, 16, 17) Heusler alloys Mn50Ni50−xSnx (x= 13,14,15,16,17) Heusler合金的结构和热磁性能

IF 3 3区材料科学

Journal of Magnetism and Magnetic Materials Pub Date : 2026-03-15 Epub Date: 2026-02-05 DOI: 10.1016/j.jmmm.2026.173906

Ranjith Emmanuel J. , Naveen Kumar Ravisankar , S. Esakki Muthu , Uma Mahendra Kumar Koppolu , Senthur Pandi Rajasabai

{"title":"Structural and thermomagnetic properties in Mn50Ni50−xSnx (x=13, 14, 15, 16, 17) Heusler alloys","authors":"Ranjith Emmanuel J. , Naveen Kumar Ravisankar , S. Esakki Muthu , Uma Mahendra Kumar Koppolu , Senthur Pandi Rajasabai","doi":"10.1016/j.jmmm.2026.173906","DOIUrl":"10.1016/j.jmmm.2026.173906","url":null,"abstract":"<div><div>This work presents an investigation into the structural, thermal, and magnetic properties of Mn<sub>50</sub>Ni<sub>50−x</sub>Sn<sub>x</sub> (x=13, 14, 15, 16, 17) Heusler alloys. The alloys were synthesized by arc melting under an argon atmosphere, followed by vacuum annealing and rapid quenching in ice-cold water. X-ray diffraction analysis confirms the L2<sub>1</sub> ordered cubic phase as the major phase, along with a minor presence of the D0<sub>19</sub> hexagonal phase across all compositions. Differential scanning calorimetry indicated the presence of magnetic phase transition at elevated temperatures and structural transition at high temperature region. Isofield and isothermal magnetization measurements were performed to explore the thermomagnetic response of each composition. Magnetic parameters, including spin-exchange interactions, the spin-wave stiffness constant, and the exchange stiffness constant were evaluated using Bloch’s law and power-law analysis. The analysis of these physical parameters suggests the potential of these alloys for applications in micro-actuation, sensors, and spintronics.</div></div>","PeriodicalId":366,"journal":{"name":"Journal of Magnetism and Magnetic Materials","volume":"642 ","pages":"Article 173906"},"PeriodicalIF":3.0,"publicationDate":"2026-03-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146185910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0