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Related papers: Nanocomposite RE-Ba-Cu-O bulk superconductors

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We present results of electrochemical deposition of superconducting Pb in the pores of templates prepared by self-assembly from colloidal suspensions of polystyrene latex spheres. This technique enables us to create highly ordered…

Superconductivity · Physics 2009-11-10 A. A. Zhukov , E. T. Filby , M. A. Ghanem , P. N. Bartlett , P. A. J. de Groot

Hybrid superconductor/semiconductor devices play a crucial role in advancing quantum science and technology by merging the properties of superconductors and semiconductors. To operate these devices at high temperature, Niobium could…

Superconductivity · Physics 2026-03-26 A. Kotsovolou , F. Soofivand , P. Singha , D. Cecca , R. Balice , F. Carillo , C. Puglia , G. De Simoni , F. Bianco , F. Paolucci

High temperature cuprate superconductors exhibit extremely local nanoscale phenomena and strong sensitivity to doping. While other experiments have looked at nanoscale interfaces between layers of different dopings, we focus on the…

New iron selenide superconductors by intercalating smaller-sized alkali metals (Li, Na) and alkaline earths using high-temperature routes have been pursued ever since the discovery of superconductivity at about 30 K in KFe2Se2, but all have…

Superconductivity · Physics 2012-05-30 T. P. Ying , X. L. Chen , G. Wang , S. F. Jin , T. T. Zhou , X. F. Lai , H. Zhang , W. Y. Wang

In recent years there has been an intense search for room temperature ferromagnetism in doped dilute semiconductors, which have many potentially applications in spintronics and optoelectronics. We report here the unexpected observation of…

High-performance solution-processed short-channel carbon nanotube (CNT) thin film transistors (TFTs) are fabricated using densely aligned arrays of metallic CNTs (m-CNTs) as source and drain electrodes, and aligned arrays of semiconducting…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 Biddut K. Sarker , Narae Kang , Saiful I. Khondaker

Ferrimagnetic semiconductors, integrated with net magnetization, antiferromagnetic coupling and semi-conductivity, have constructed an ideal platform for spintronics. For practical applications, achieving high N$\acute{e}$el temperatures…

Materials Science · Physics 2024-11-08 Haidi Wang , Qingqing Feng , Shuo Li , Wei Lin , Weiduo Zhu , Zhao Chen , Zhongjun Li , Xiaofeng Liu , Xingxing Li

Recent fabrication of atomic precision nanodevices for spintronics greatly boosted their performance and also revealed new interesting features, as oscillating magnetoresistance with number of atomic layers in a multilayered structure. This…

Materials Science · Physics 2013-05-29 H. G. Silva , Y. G. Pogorelov

Fabrication of superconducting nanomechanical resonators for quantum research, detectors and devices traditionally relies on a lithographic process, resulting in oscillators with sharp edges and a suspended length limited to a few 100…

Comprehensive low-temperature specific heat data C(T,H) of Na_0.35CoO2-1.3H_2O with temperature T down to 0.6 K and the magnetic field H up to 8 T are presented. For the normal state, the values of gamma_n=13.94 mJ/mol K2, and Debye…

Superconductivity · Physics 2009-11-10 H. D. Yang , J. -Y. Lin , C. P. Sun , Y. C. Kang , C. L. Huang , K. Takada , T. Sasaki , H. Sakurai , E. Takayama-Muromachi

Initial powder mixtures of Cu, Fe and Co are exposed to severe plastic deformation by high-pressure torsion to prepare solid solutions. A broad range of compositions is investigated, whereas this study aims at the synthesis of soft magnetic…

Obtaining a robust superconducting state in atomically precise nanographene (NG) structures by proximity to a superconductor could foster the discovery of topological superconductivity in graphene. On-surface synthesis of such NGs has been…

Magnetically Modulated Optical Nanoprobes (MagMOONs) are magnetic particles that indicate their angular orientation by emitting varying intensities of light for different orientations and have shown promise for a variety of applications. In…

Materials Science · Physics 2007-05-23 Brandon H. McNaughton , Vladimir Stoica , Jeffrey N. Anker , Roy Clarke , Raoul Kopelman

We propose an experiment-based strategy for finding new high transition temperature superconductors that is based on the well-established spin fluctuation magnetic gateway to superconductivity in which the attractive quasiparticle…

Superconductivity · Physics 2013-11-19 David Pines

We take a comprehensive look at conductors used in superconducting magnets for the accelerator sector and explore the ramifications of the present marketplace for supply of conductor to future accelerator facilities. While there are…

Accelerator Physics · Physics 2022-08-29 Lance Cooley , David Larbalestier , Kathleen Amm

Mn-based superconductor is rare and recently reported in quasi-one-dimensional KMn$_6$Bi$_5$ with [Mn$_6$Bi$_5$]-columns under high pressure. Here we report the synthesis, magnetic properties, electrical resistivity, and specific heat…

The study of strong electron correlations in transition metal oxides with modern microscopy and diffraction techniques unveiled a fascinating world of nanosize textures in the spin, charge, and crystal structure. Examples range from high…

Strongly Correlated Electrons · Physics 2007-05-23 G. Papavassiliou , M. Pissas , M. Belesi , M. Fardis , D. Stamopoulos , A. Kontos , M. Hennion , J. Dolinsek , J. P. Ansermet , C. Dimitropoulos

Nanopores made with low dimensional semiconducting materials, such as carbon nanotubes and graphene slit pores, are used in supercapacitors. In theories and simulations of their operation, it is often assumed that such pores screen ion-ion…

Materials Science · Physics 2017-01-24 Alpha A. Lee , Dominic Vella , Alain Goriely

Superconductivity in granular films is controlled by the grain size and the inter-grain coupling. In a two-component granular system formed by a random mixture of a normal metal (N) and a superconductor (S), the superconducting nano-grains…

Mesoscale and Nanoscale Physics · Physics 2017-04-27 Pradnya Parab , Vivas Bagwe , Bhagyashree Chalke , H. Muthurajan , Pratap Raychaudhuri , Sangita Bose

We report the synthesis of single phase Bi3O2S3 sample and confirm the occurrence of bulk superconductivity with transition temperature at 5.8 K. The Bi3O2S3 super-conductor is categorized as the typical type-II supercon-ductor based on the…

Superconductivity · Physics 2014-11-06 Jifeng Shao , Zhongheng Liu , Xiong Yao , Li Pi , Shun Tan , Changjin Zhang , Yuheng Zhang