Crystal and Magnetic Structures of Monoclinic FeOHSO<sub>4</sub>

Avdeev, Maxim; Singh, Shashwat; Barpanda, Prabeer; Ling, Chris D.

doi:10.1021/acs.inorgchem.1c02544

Inorg. Chem.

2021

DOI: 10.1021/acs.inorgchem.1c02544

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Crystal and Magnetic Structures of Monoclinic FeOHSO₄

Maxim Avdeev

Shashwat Singh

Prabeer Barpanda

et al.

Abstract: The crystal and magnetic structures and properties of the monoclinic form of the iron hydroxysulfate FeOHSO 4 were investigated by magnetometry and neutron powder diffraction. The space group C2/c was confirmed, and the proton position was located close to that predicted by ab initio calculations. The collinear antiferromagnetic k(0,0,0) structure forming below the Neél temperature T N ∼ 125 K is described by the C2′/c′ (No. 15.89) magnetic space group, with the moments along the b axis. Overall, FeOHSO 4 is i… Show more

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Cited by 3 publications

References 13 publications

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Altermagnetism: Exploring New Frontiers in Magnetism and Spintronics

Bai,

Feng,

Liu

et al. 2024

Adv Funct Materials

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Recent developments have introduced a groundbreaking form of collinear magnetism known as “altermagnetism”. This emerging magnetic phase is characterized by robust time‐reversal symmetry breaking, antiparallel magnetic order, and alternating spin‐splitting band structures, yet it exhibits vanishing net magnetization constrained by symmetry. Altermagnetism uniquely integrates traits previously considered mutually exclusive to conventional collinear ferromagnetism and antiferromagnetism, thereby facilitating phenomena and functionalities previously not achievable within these traditional categories of magnetism. Initially proposed theoretically, the existence of the altermagnetic phase has since been corroborated by a range of experimental studies, which have confirmed its unique properties and potential for applications. This review explores the rapidly expanding research on altermagnets, emphasizing the novel physical phenomena they manifest, methodologies for inducing altermagnetism, and promising altermagnetic materials. The goal of this review is to furnish readers with a comprehensive overview of altermagnetism and to inspire further innovative studies on altermagnetic materials which can potentially revolutionize applications in technology and materials science.

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Altermagnetism: Exploring New Frontiers in Magnetism and Spintronics

Bai,

Feng,

Liu

et al. 2024

Adv Funct Materials

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Spin-split collinear antiferromagnets: A large-scale ab-initio study

Guo

Liu

Janson

et al. 2023

Materials Today Physics

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Alternative Polymorph of the Hydroxysulfate Li_xFeSO₄OH Yields Improved Lithium-Ion Cathodes

Singh,

Chakraborty,

Neveu

et al. 2024

Chem. Mater.

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Use of sustainable electrode components in Li-ion battery technology is essential for large-scale applications while addressing environmental concerns. Considering elemental abundance, Fe-based compounds can, in principle, work as the most economic cathodes. Fe-based hydroxysulfates Li x FeSO4OH (x = 0 –1) can be harnessed as low-cost, sustainable, high-voltage, and moisture-resistant battery cathode materials. In this system, monoclinic (m) FeSO4OH and layered m-FeSO4OH were previously reported as Li-ion battery cathode materials. Here, we introduce orthorhombic (o) FeSO4OH as a potential low-cost cathode for Li-ion batteries synthesized by using a facile low-temperature hydrothermal route. The o-FeSO4OH cathode delivers a reversible capacity of 100 mA h/g at a current rate of C/20 (1e– = 159 mAh/g) at a working potential of ca. 3.2 V vs Li+/Li. A higher overpotential and faster rate kinetics compared with that of m-FeSO4OH stem from the subtle deviations in the structural framework affecting the Li coordination environment. Operando analytical tools, electrochemical titration techniques, and computational modeling are combined to characterize the complex phase transformation during the (de)lithiation process.

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Crystal and Magnetic Structures of Monoclinic FeOHSO₄

Cited by 3 publications

References 13 publications

Altermagnetism: Exploring New Frontiers in Magnetism and Spintronics

Altermagnetism: Exploring New Frontiers in Magnetism and Spintronics

Spin-split collinear antiferromagnets: A large-scale ab-initio study

Alternative Polymorph of the Hydroxysulfate Li_xFeSO₄OH Yields Improved Lithium-Ion Cathodes

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Product

Resources

About

Crystal and Magnetic Structures of Monoclinic FeOHSO4

Cited by 3 publications

References 13 publications

Altermagnetism: Exploring New Frontiers in Magnetism and Spintronics

Altermagnetism: Exploring New Frontiers in Magnetism and Spintronics

Spin-split collinear antiferromagnets: A large-scale ab-initio study

Alternative Polymorph of the Hydroxysulfate LixFeSO4OH Yields Improved Lithium-Ion Cathodes

Contact Info

Product

Resources

About

Crystal and Magnetic Structures of Monoclinic FeOHSO₄

Alternative Polymorph of the Hydroxysulfate Li_xFeSO₄OH Yields Improved Lithium-Ion Cathodes