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A macroscopic spintronic qubit based on spin superfluidity and spin Hall phenomena is proposed. This magnetic quantum information processing device realizes the spin-supercurrent analog of the superconducting phase qubit and allows for full…

Mesoscale and Nanoscale Physics · Physics 2017-04-12 So Takei , Yaroslav Tserkovnyak , Masoud Mohseni

As spin-based quantum processors grow in size and complexity, maintaining high fidelities and minimizing crosstalk will be essential for the successful implementation of quantum algorithms and error-correction protocols. In particular,…

From first-principles calculations, we predict that transition metal (TM) atom doped silicon nanowires have a half-metallic ground state. They are insulators for one spin-direction, but show metallic properties for the opposite spin…

Materials Science · Physics 2007-05-23 Engin Durgun , Deniz Cakir , Nurten Akman , Salim Ciraci

Spins in solids are cornerstone elements of quantum spintronics. Leading contenders such as defects in diamond, or individual phosphorous dopants in silicon have shown spectacular progress but either miss established nanotechnology or an…

Fabricating room-temperature ferromagnetic insulators, which are crucial candidates for next-generation dissipation-free quantum and spintronic devices, remains a significant challenge. In this Letter, we report on the epitaxial synthesis…

Strongly Correlated Electrons · Physics 2026-02-27 Yuhao Hong , Shilin Hu , Ziyue Shen , Chao Deng , Xiaodong Zhang , Lei Wang , Long Wei , Qinghua Zhang , Lingfei Wang , Liang Si , Yulin Gan , Kai Chen , Zhaoliang Liao

Transport properties in mesoscopic networks are investigated, where the strength of the (Rashba-type) spin-orbit coupling is assumed to be tuned with external gate voltages. We analyze in detail to what extent the ideal behavior and…

Mesoscale and Nanoscale Physics · Physics 2015-05-13 Peter Foldi , Orsolya Kalman , F. M. Peeters

Spin-orbit torques (SOTs) from transition metal oxides (TMOs) in conjunction with magnetic materials have recently attracted tremendous attention for realizing high-efficient spintronic devices. SrRuO3 is a promising candidate among TMOs…

Materials Science · Physics 2024-03-04 Sheng Li , Bin Lao , Zengxing Lu , Xuan Zheng , Kenan Zhao , Liguang Gong , Tao Tang , Keyi Wu , Run-Wei Li , Zhiming Wang

The transport of quantum information between different nodes of a quantum device is among the challenging functionalities of a quantum processor. In the context of spin qubits, this requirement can be met by coherent electron spin shuttling…

Mesoscale and Nanoscale Physics · Physics 2024-11-28 Florian Ginzel , Adam R. Mills , Jason R. Petta , Guido Burkard

Spin-valley properties in two-dimensional (2D) semiconducting transition metal dichalcogenides (TMDC) has attracted significant interest due to the possible applications in quantum computing. Spin-valley properties can be exploited in TMDC…

Motivated by the ongoing interest in nitrides as materials for spintronics applications we have studied effects of doping with magnetic transition-metal elements (T=Cr,Mn,Fe,Co and Ni) on the electronic properties of semiconducting scandium…

Materials Science · Physics 2020-09-23 Fares Benissad , Abdesalem Houari

We present a theory of the effects of impurity scattering in d_{x^2-y^2} superconductors and their quantum disordered counterparts, based on a non-linear sigma model formulation. We show the existence, in a quasi-two-dimensional system, of…

Superconductivity · Physics 2009-10-31 T. Senthil , Matthew P. A. Fisher , Leon Balents , Chetan Nayak

A key element in the emergence of a full spintronics technology is the development of voltage controlled spin filters to selectively inject carriers of desired spin into semiconductors. We previously demonstrated a prototype of such a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 C. Gould , A. Slobodskyy , T. Slobodskyy , P. Grabs , D. Supp , P. Hawrylak , F. Qu , G. Schmidt , L. W. Molenkamp

Due to their characteristic geometry, TiO$_2$ nanotubes (TNTs), suitably doped by metal-substitution to enhance their photocatalytic properties, have a high potential for applications such as clean fuel production. In this context, we…

Materials Science · Physics 2020-09-17 Mohamed M. Fadlallah , Ulrich Eckern

Tin doped indium oxide (ITO) thin films are being used extensively as transparent conductors in several applications. In the present communication, we report the electrical transport in DC magnetron sputtered ITO thin films in low…

Materials Science · Physics 2016-10-28 Deepak Kumar Kaushik , K Uday Kumar , A. Subrahmanyam

We introduce a new spin filter based on spin-resolved Fano resonances due to spin-split levels in a quantum ring (QR) side-coupled to a quantum wire (QW). Spin-orbit coupling inside the QR, together with external magnetic fields, induces…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Minchul Lee , C. Bruder

Spin-valve effect has been the focus of spintronics over the last decades due to its potential in many spintronic devices. Two-dimensional (2D) van der Waals (vdW) materials are highly expected to build the spin-valve heterojunction.…

Mesoscale and Nanoscale Physics · Physics 2023-02-15 Wen Jin , Gaojie Zhang , Hao Wu , Li Yang , Wenfeng Zhang , Haixin Chang

We investigate theoretically the prospects for using a magnetic nanoelectromechanical single-electron tunneling (NEM-SET) device as an electronic spin filter. We find that strong magnetic exchange forces on the net spin of the mobile…

Mesoscale and Nanoscale Physics · Physics 2012-09-25 Robert I. Shekhter , Artem Pulkin , Mats Jonson

The outstanding optoelectronic and valleytronic properties of transition metal dichalcogenides (TMDs) have triggered intense research efforts by the scientific community. An alternative to induce long-range ferromagnetism (FM) in TMDs is by…

Quantum networks and sensing require solid-state spin-photon interfaces that combine single-photon generation and long-lived spin coherence with scalable device integration, ideally at ambient conditions. Despite rapid progress reported…

Silicon, the main constituent of microprocessor chips, is emerging as a promising material for the realization of future quantum processors. Leveraging its well-established complementary metal-oxide-semiconductor (CMOS) technology would be…

Mesoscale and Nanoscale Physics · Physics 2016-12-21 R. Maurand , X. Jehl , D. Kotekar Patil , A. Corna , H. Bohuslavskyi , R. Laviéville , L. Hutin , S. Barraud , M. Vinet , M. Sanquer , S. De Franceschi
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