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Experimentally it is still challenging to epitaxially grow Bi(111) bilayer (BL) on conventional semiconductor substrate. Here, we propose a substrate of $\beta-$In$_2$Se$_3$(0001) with van der Waals like cleavage and large band gap of…

Materials Science · Physics 2014-04-24 Wenmei Ming , Z. F. Wang , Feng Liu

Monolayer PtSe$_2$ is a semiconducting transition metal dichalcogenide characterized by an indirect band gap, space inversion symmetry, and high carrier mobility. Strong intrinsic spin-orbit coupling and the possibility to induce extrinsic…

Mesoscale and Nanoscale Physics · Physics 2021-03-10 Marcin Kurpas , Jaroslv Fabian

We study the relaxation of a single electron spin in a circular quantum dot in a transition-metal dichalcogenide monolayer defined by electrostatic gating. Transition-metal dichalcogenides provide an interesting and promising arena for…

Mesoscale and Nanoscale Physics · Physics 2017-03-09 Alexander J. Pearce , Guido Burkard

Transition metal dichalcogenides have attracted much attention recently due to their potential applications in spintronics and photonics as a result of the indirect to direct band gap transition and the emergence of the spin-valley coupling…

In this paper, spin properties of monolayer MX (M=Ga, In and X=S, Se, Te) in the presence of strain are studied. Density functional theory is used to investigate spin properties. The strain changes modification of bandgap due to spin-orbit…

Materials Science · Physics 2020-05-20 Mohammad Ariapour , Shoeib Babaee Touski

The electronic structure of bulk GaAs$_{1-x}$Bi$_x$ systems for different atomic configurations and Bi concentrations is calculated using density functional theory. The results show a Bi-induced splitting between the light-hole and…

Materials Science · Physics 2018-11-14 Lars C. Bannow , Stefan C. Badescu , Jörg Hader , Jerome V. Moloney , Stephan W. Koch

We investigate the two-dimensional (2D) highly spin-polarized electron accumulation layers commonly appearing near the surface of n-type polar semiconductors BiTeX (X = I, Br, and Cl) by angular-resolved photoemission spectroscopy. Due to…

Spin relaxation due to the D'yakonov-Perel' mechanism is intimately related with the spin splitting of the electronic states. We determine the spin relaxation rates from anisotropic spin splittings of electron subbands in n-(001)…

Condensed Matter · Physics 2009-11-10 J. Kainz , U. Roessler , R. Winkler

We report $^{17}$O(2,3) and $^{63}$Cu(2) spin-lattice relaxation rates and the $^{17}$O(2,3) spin-spin relaxation rate in different magnetic fields in YBa$_2$Cu$_3$O$_7$ near $T_c$. Together these measurements enable us to test the magnetic…

Superconductivity · Physics 2009-09-25 V. F. Mitrovi{ć} , H. N. Bachman , W. P. Halperin , A. P. Reyes , P. Kuhns , W. G. Moulton

The low-lying states of graphene contain exciting topological properties that depend on the interplay of different symmetry breaking terms. The corresponding energy gaps remained unexplored until recently, owing to the low energy scale of…

Mesoscale and Nanoscale Physics · Physics 2021-01-04 U. R. Singh , M. Prada , V. Strenzke , B. Bosnjak , T. Schmirander , L. Tiemann , R. H. Blick

We propose a platform to realize nodal topological superconductors in a superconducting monolayer of MoX$_2$ (X$=$S, Se, Te) using an in-plane magnetic field. The bulk nodal points appear where the spin splitting due to spin-orbit coupling…

Mesoscale and Nanoscale Physics · Physics 2018-11-19 Lin Wang , Tomas Orn Rosdahl , Doru Sticlet

The coupling between spin, charge, and lattice degrees of freedom plays an important role in a wide range of fundamental phenomena. Monolayer semiconducting transitional metal dichalcogenides have emerged as an outstanding platform for…

Electrical resistivity, specific heat and NMR measurements classify non-centrosymmetric $\rm Mo_3Al_2C$ ($\beta$-Mn type, space group $P4_132$) as a strong-coupled superconductor with $T_c = 9$~K deviating notably from BCS-like behaviour.…

Theory of spin-orbit coupling in bilayer graphene is presented. The electronic band structure of the AB bilayer in the presence of spin-orbit coupling and a transverse electric field is calculated from first-principles using the linearized…

Mesoscale and Nanoscale Physics · Physics 2012-03-28 Sergej Konschuh , Martin Gmitra , Denis Kochan , Jaroslav Fabian

First-principles calculations are performed to study the structural stability and spintronics properties of Janus MoGeSiP2As2 and WGeSiP2As2 monolayers. The high cohesive energies and the stable phonon modes confirm that both these…

Materials Science · Physics 2026-01-14 Ghulam Hussaina , Abdus Samad , Majeed Ur Rehmanc , Giuseppe Cuono , Carmine Autieri

The spin splitting driven by spin-orbit coupling in monolayer (ML) transition metal dichalcogenides (TMDCs) family has been widely studied only for the 1H-phase structure, while it is not profound for the 1T-phase structure due to the…

Strongly Correlated Electrons · Physics 2020-04-16 Moh. Adhib Ulil Absor , Iman Santoso , Naoya Yamaguchi , Fumiyuki Ishii

We present a detailed theoretical study of the electronic spectrum and Zeeman splitting in hole quantum wires. The spin-3/2 character of the topmost bulk-valence-band states results in a strong variation of subband-edge g factors between…

Mesoscale and Nanoscale Physics · Physics 2009-04-29 D. Csontos , P. Brusheim , U. Zuelicke , H. Q. Xu

Valley splitting is a key figure of silicon-based spin qubits. Quantum dots in Si/SiGe heterostructures reportedly suffer from a relatively low valley splitting, limiting the operation temperature and the scalability of such qubit devices.…

In this paper, spintronic properties of the mono-layer GaTe under biaxial and uniaxial strain is investigated. Here, spin properties of two structures of GaTe, one with mirror symmetry and the other with inversion symmetry, is studied. We…

Materials Science · Physics 2019-05-09 Mohammad Ariapour , Shoeib Babaee Touski

Spin current generation and manipulation remain the key challenge of spintronics, in which relativistic spinorbit coupling (SOC) play a ubiquitous role. In this letter, we demonstrate that hidden Rashba spins in the non-magnetic,…

Mesoscale and Nanoscale Physics · Physics 2023-05-10 Hengzhe Lu , Zhibin Qi , Yuqiang Huang , Man Cheng , Feng Sheng , Zhengkuan Deng , Shi Chen , Chenqiang Hua , Pimo He , Yunhao Lu , Yi Zheng