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cond-mat.mtrl-sci2026

Two-Dimensional Magnetic Materials from Ferromagnetism to Altermagnetism: Fabrication, Symmetry, Evidence, and Device Readiness

Guojian Zhao, Ziang Meng, Li Liu +9

Atomically thin magnets are governed by composition, thickness, stacking, strain, defects, substrates, ferroic order, and interfaces. This Review organizes two-dimensional (2D) mag…

cond-mat.mtrl-sci2026

Room-temperature ferroelectrically switchable quantum geometry in few-layer WTe2 for complementary in-memory computing

Ruihan Wang, Pengfei Wang, Haoyun Chen +10

Quantum geometry, describing the inherent geometric structure of electron wavefunctions in momentum space, transcends the traditional charge degree of freedom and provides a novel…

cond-mat.mtrl-sci2026★ 2 cited

Saturated and Anisotropic Magnetostriction in an Altermagnet

Zhiyuan Duan, Qiyun Xu, Peixin Qin +14

Magnetostriction, a fundamental phenomenon bridging magnetism and mechanics, has enabled a broad spectrum of applications. For almost two centuries, it has been mainly investigated…

cond-mat.mtrl-sci2026

Occupation Dynamics of Floquet-Volkov States and Spectral Sum Rule

Xuanxi Cai, Changhua Bao, Benshu Fan +9

Time-periodic light fields can dress electronic states in quantum materials, forming Floquet states whose dynamic occupation determines transient material properties. Here by using…

cond-mat.mtrl-sci2026★ 2 cited

Carrier scattering considerations and thermoelectric power factors of half-Heuslers

Rajeev Dutt, Bhawna Sahni, Yao Zhao +7

The electronic and thermoelectric (TE) transport properties of 13 n-type and p-type half-Heusler alloys are computationally examined using Boltzmann transport. The electronic scatt…

cond-mat.mtrl-sci2026★ 3 cited

Bulk OsO2 Single Crystals: Superior Catalysts for Water Oxidation

Guojian Zhao, Zhihao Li, Ziang Meng +13

Although rutile RuO2 has been a well-known and almost the best oxygen evolution reaction (OER) catalyst, the OER properties for the similar rutile oxide OsO2 with the same group el…

cond-mat.mtrl-sci2026★ 1 cited

Giant orbital magnetoresistance in the antiferromagnet CoO driven by dynamic orbital angular momentum interaction

Christin Schmitt, Sachin Krishnia, Edgar Galindez-Ruales +12

Recent predictions of orders of magnitude larger orbital current effects compared to spin currents have attracted significant interest. However, the full potential of giant orbital…

cond-mat.mtrl-sci2026★ 8 cited

Microstructural origin of the simultaneous enhancements in strength and ductility of a nitrogen-doped high-entropy alloy

Xiaoxiang Wu, Zhujun Sun, Wenqi Guo +9

As one of the most abundant interstitial elements, nitrogen (N) is effective in improving yield strength of metallic materials, due to interstitial solid solution strengthening. Do…

cond-mat.mtrl-sci2026

Epitaxial growth and magneto-transport properties of kagome metal FeGe thin films

Xiaoyue Song, Yanshen Chen, Yongcheng Deng +5

Antiferromagnetic kagome metal FeGe has attracted tremendous attention in condensed matter physics due to the charge density wave (CDW) being well below its magnetic transition tem…

cond-mat.mtrl-sci2026★ 1 cited

Absence of magnetic order in epitaxial RuO2 revealed by X-ray linear dichroism

Siyu Wang, Chao Wang, Yanan Yuan +21

Recently, the topic of altermagnetism has attracted tremendous attention and RuO2 have been demonstrated to be one of the most promising altermagnetic candidates. However, disputes…

cond-mat.mtrl-sci2025★ 3 cited

Electric-Field-Controlled Altermagnetic Transition for Neuromorphic Computing

Zhiyuan Duan, Peixin Qin, Chengyan Zhong +12

Altermagnets represent a novel magnetic phase with transformative potential for ultrafast spintronics, yet efficient control of their magnetic states remains challenging. We demons…

cond-mat.mtrl-sci2025★ 12 cited

Coalescence of multiple topological orders in quasi-one-dimensional bismuth halide chains

Jingyuan Zhong, Ming Yang, Wenxuan Zhao +14

Topology is being widely adopted to understand and to categorize quantum matter in modern physics. The nexus of topology orders, which engenders distinct quantum phases with benefi…

cond-mat.mtrl-sci2025★ 5 cited

Freestanding Thin-Film Materials

Li Liu, Peixin Qin, Guojian Zhao +7

Freestanding thin films, a class of low-dimensional materials capable of maintaining structural integrity without substrates, have emerged as a forefront research focus. Their uniq…

cond-mat.mtrl-sci2025★ 5 cited

Thermoelectric transport and the role of different scattering processes in the half-Heusler NbFeSb

Bhawna Sahni, Yao Zhao, Zhen Li +3

We perform an ab initio computational investigation of the electronic and thermoelectric transport properties of one of the best performance half-Heusler (HH) alloys, NbFeSb. We us…

cond-mat.mtrl-sci2025★ 7 cited

Synergistic modulation of band structure and phonon transport for higher thermoelectric performance of WSe2

Mazhar Hussain Danish, Amil Aligayev, Zahir Muhammad +8

Tungsten diselenide (WSe2) emerges as a promising thermoelectric (TE) candidate due to its high thermopower (S), cost-effectiveness, and environmentally friendly characteristics. H…

cond-mat.mtrl-sci2025★ 3 cited

Robust Wannierization including magnetization and spin-orbit coupling via projectability disentanglement

Yuhao Jiang, Junfeng Qiao, Nataliya Paulish +3

Maximally-localized Wannier functions (MLWFs) are widely employed as an essential tool for calculating the physical properties of materials due to their localized nature and comput…

cond-mat.mtrl-sci2025★ 4 cited

Incipient ionic conductors: Ion-constrained lattices achieving superionic-like thermal conductivity by extreme anharmonicity

Yongheng Li, Chunqiu Lu, Bin Wei +7

Phonon liquid-like thermal conduction in the solid state enables superionic conductors to serve as efficient thermoelectric device candidates. While liquid-like motion of ions effe…

cond-mat.mtrl-sci2025

Spontaneous Enhancement of Dzyaloshinskii-Moriya Interaction via Field-Cooling-Induced Interface Engineering in 2D van der Waals Ferromagnetic ternary Tellurides

Shian Xia, Yan Luo, Iftikhar Ahmed Malik +11

The emergence of two-dimensional (2D) van der Waals (vdW) ferromagnets has opened new avenues for exploring topological spin textures and their applications in next-generation spin…

cond-mat.mtrl-sci2025

Sliding and superlubric moiré twisting ferroelectric transition in HfO2

Jie Sun, Yiheng Shen, Tengfei Cao +1

Despite progress in HfO2 thin-film ferroelectrics, issues like high coercive fields persist, and the dynamics of twisted ferroelectricity remain largely unexplored. Here, we explor…

cond-mat.mtrl-sci2025★ 3 cited

Giant Orbital Torque-driven Picosecond Switching in Magnetic Tunnel Junctions

Yuxuan Yao, Chen Xiao, Xiaobai Ning +18

Orbital Hall effect was recently discovered as a novel pathway for driving magnetic moment. However, the integration of orbital Hall effect in magnetic memories suffers from low or…

cond-mat.mtrl-sci2025

Higher-order topological corner states and edge states in grid-like frames

Yimeng Sun, Jiacheng Xing, Li-Hua Shao +1

Continuum grid-like frames composed of rigidly jointed beams are classic subjects in the field of structural mechanics, whose topological dynamical properties have only recently be…

cond-mat.mtrl-sci2025★ 6 cited

Nonreciprocal spin-charge interconversion in topological insulator/ferromagnet heterostructures

Shuyuan Shi, Enlong Liu, Fanrui Hu +3

The process of spin-charge interconversion is critical in modern spintronics. Nonetheless, experiments conducted on a wide variety of magnetic heterostructures consistently report…

cond-mat.mtrl-sci2025★ 11 cited

Floquet optical selection rules in black phosphorus

Benshu Fan, Umberto De Giovannini, Hannes Hübener +4

Optical selection rules endorsed by symmetry are crucial for understanding the optical properties of quantum materials and the associated ultrafast spectral phenomena. Here, we int…

cond-mat.mtrl-sci2024★ 9 cited

Mass Acquisition of Dirac Fermions in Bi4I4 by Spontaneous Symmetry Breaking

Ming Yang, Wenxuan Zhao, Dan Mu +14

Massive Dirac fermions, which are essential for realizing novel topological phenomena, are expected to be generated from massless Dirac fermions by breaking the related symmetry, s…