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Two-dimensional (2D) metallic systems with intrinsically low lattice thermal conductivity are rare, yet they are of great interest for next-generation energy and electronic technologies. Here, we present a comprehensive first-principles…

MoTe_2, with the orthorhombic T_d phase, is a new type (type-II) of Weyl semimetal, where the Weyl Fermions emerge at the boundary between electron and hole pockets. Non-saturating magnetoresistance (MR), and superconductivity were also…

The realization of topological antiferromagnetic (AFM) solitons in real materials is a major goal towards their use in information technology. While they bear various advantages with respect to their ferromagnetic cousins, their observation…

Materials Science · Physics 2023-06-09 Amal Aldarawsheh , Moritz Sallermann , Muayad Abusaa , Samir Lounis

Spin-phonon interactions in 2D magnetic materials are crucial in advancing next-generation spintronic devices. Therefore, identifying new materials with significant spin-phonon interactions is of great importance. In this context, MnSe,…

Materials Science · Physics 2025-02-27 Suman Kalyan Pradhan , Arnab Bera , Soham Das , Yongli Yu , Jicheng Wang , Rui Wu

Novel quasi two dimensional typically layered semimetals offer a unique opportunity to control the density and even the topology of the electronic matter. In intercalated MoTe2 type II Weyl semimetal the tilt of the dispersion relation…

Superconductivity · Physics 2023-01-23 Baruh Rosenstein , B. Ya. Shapiro

1T-TaS$_2$ is a prototypical charge-density-wave (CDW) system with a Mott insulating ground state. Usually, a Mott insulator is accompanied by an antiferromagnetic state. However, the antiferromagnetic order had never been observed in…

Strongly Correlated Electrons · Physics 2020-06-11 Q. Niu , W. Zhang , Y. T. Chan , E. C. T. O'Farrell , R. Doganov , K. Y. Yip , Kwing To Lai , W. C. Yu , B. Ozyilmaz , G. R. Stewart , J. S. Kim , Swee K. Goh

We use the many techniques of alloy theory to study antiferromagnetic NiO, considered as an alloy of spin-up and spin-down Ni atoms. The questions are: the true antiferromagnetic ground state and the possibility of obtaining ferrimagnetic…

Materials Science · Physics 2015-09-25 Luiz G. Ferreira

We investigate the design of steep-slope metal-oxide-semiconductor field-effect transistors (MOSFETs) exploiting monolayers of transition metal dihalides as channel materials. With respect to other previously proposed steep-slope…

Mesoscale and Nanoscale Physics · Physics 2021-06-24 Demetrio Logoteta , Jiang Cao , Marco Pala , Paolo Marconcini , Giuseppe Iannaccone

After decades of research, the low Curie temperature of ferromagnetic semiconductors remains the key problem in the development of magnetic semiconductor spintronic technologies. Removing this roadblock might require a change of the field's…

Two-dimensional (2D) high-temperature ferromagnetic materials are important for spintronic application. Fortunately, a highly-air-stable PdSe$_2$ monolayer semiconductor has been made through exfoliation from the layered bulk material. It…

Mesoscale and Nanoscale Physics · Physics 2019-06-05 Shi-Hao Zhang , Bang-Gui Liu

The respective unique merit of antiferromagnets and two-dimensional (2D) materials in spintronic applications inspire us to exploit 2D antiferromagnetic spintronics. However, the detection of the N\'eel vector in 2D antiferromagnets remains…

Materials Science · Physics 2023-08-03 Jizhang Wang , Hui Zeng , Wenhui Duan , Huaqing Huang

Transition metal dichalcogenides (TMDs) have emerged as a promising class of materials for spintronics, with the aim of promoting efficient spin-charge conversion (SCC) in TMD/ferromagnet (FM)-based devices. The MoTe$_2$ semimetal with…

The magnetic structure of the intermetallic antiferromagnet Sm2IrIn8 was determined using x-ray resonant magnetic scattering (XRMS). Below TN = 14.2, Sm2IrIn8 has a commensurate antiferromagnetic structure with a propagation vector…

Strongly Correlated Electrons · Physics 2007-05-23 C. Adriano , R. Lora-Serrano , C. Giles , F. de Bergevin , J. C. Lang , G. Srajer , C. Mazzoli , L. Paolasini , P. G. Pagliuso

Antiferromagnets are magnetically ordered materials which exhibit no net moment and thus are insensitive to magnetic fields. Antiferromagnetic spintronics aims to take advantage of this insensitivity for enhanced stability, while at the…

Two-dimensional (2D) ferromagnets and their heterostructures offer fertile grounds for designing fascinating functionalities in ultra-thin spintronic devices. Here, by first-principles calculations, we report the discovery of energetically…

Materials Science · Physics 2024-06-19 Xiang-Fan Huang , Kang-Jie Li , Zequan Wang , Shi-Bo Zhao , Bing Shen , Zu-Xin Chen , Yusheng Hou

Nodal line semimetals in two-dimensional (2-D) materials have attracted intense attention currently. From fundamental physics and spintronic applications points of view, high Curie temperature ferromagnetic (FM) ones with nodal lines robust…

Materials Science · Physics 2020-09-16 Lei Jin , Xiaoming Zhang , Ying Liu , Xuefang Dai , Xunan Shen , Liying Wang , Guodong Liu

We propose a new 2D semiconductor material (TTA-2D) based on the molecular structure of Thiophene-Tetrathia-Annulene (TTA). The TTA-2D structural, electronic, and optical properties were investigated using \textit{ab initio} methods. Our…

Materials Science · Physics 2021-02-24 Raphael M. Tromer , Leonardo D. Machado , Cristiano F. Woellner , Douglas S. Galvao

Transition metal dichalcogenides (TMD) are currently among the most interesting two-dimensional (2D) materials due to their outstanding properties. MoTe2 involves attractive polymorphic TMD crystals which can exist in three different 2D…

Computational Physics · Physics 2018-02-05 Bohayra Mortazavi , Golibjon R Berdiyorov , Meysam Makaremi , Timon Rabczuk

Two-dimensional (2D) metal halides have received more attention because of their electronic and optoelectronic properties. Recently, researchers are interested to investigate the thermoelectric properties of metal halide monolayers because…

Materials Science · Physics 2020-04-30 Atanu Betal , Jayanta Bera , Satyajit Sahu

Inspired by the recently synthesized hexagonal layered phase of FeF$_2$, we studied the magnetic properties of the 1T-FeF$_2$ monolayer and its Janus Fe$X$F ($X$ = O, S) derivatives by first-principles calculations. Our results confirm that…

Materials Science · Physics 2025-10-14 Xixiang Zhang , Busheng Wang , Yanfeng Ge , Yong Liu , Wenhui Wan