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Related papers: All-Temperature Superconductor

200 papers

We demonstrate a novel nanoheating scheme that yields very large and uniform temperature gradients up to about 1K every 100nm, in an architecture which is compatible with the field-effect control of the nanostructure under test. The…

T-carbon has been proposed as a new carbon allotrope in 2011, which was successfully synthesized in recent experiments. Because of its fluffy structure, several kinds of atoms can be intercalated into T-carbon, making it a versatile…

Superconductivity · Physics 2020-06-04 Jing-Yang You , Bo Gu , Gang Su

The advent of iron-based superconductors in 2008 came as a complete surprise to the condensed matter community. Now 15 years later, they are beginning to impart some of their new-found wisdom on a slew of emerging superconductors that boast…

Superconductivity · Physics 2023-05-15 Qimiao Si , Nigel E. Hussey

Nanostructuring has spurred a revival in the field of direct thermoelectric energy conversion. Nanograined materials can now be synthesized with higher figures of merit (ZT) than the bulk counterparts. This leads to increased conversion…

Materials Science · Physics 2024-01-25 Jesús Carrete , Natalio Mingo , Shidong Wang , Stefano Curtarolo

Recent materials research has advanced the maximum ferromagnetic transition temperature in semiconductors containing magnetic elements toward room temperature. Reaching this goal would make information technology applications of these…

Materials Science · Physics 2009-11-07 T. Jungwirth , Jairo Sinova , J. Kučera , A. H. MacDonald

The response of superconducting aluminum to electromagnetic radiation is investigated in a broad frequency (45 MHz to 40 GHz) and temperature range ($T>T_c/2$), by measuring the complex conductivity. While the imaginary part probes the…

Superconductivity · Physics 2008-08-20 Katrin Steinberg , Marc Scheffler , Martin Dressel

We propose an exactly solvable model to describe the properties of atomic thickness hybrid ferromagnet-superconductor-ferromagnet (F/S/F) structures. We show that the superconducting critical temperature is always higher for antiparallel…

Superconductivity · Physics 2007-05-23 A. Buzdin , M. Daumens

We report that entirely end-bonded multi-walled carbon nanotubes (MWNTs) can show superconductivity with the transition temperature Tc as high as 12K that is approximately 40-times larger than those reported in ropes of single-walled…

Superconductivity · Physics 2009-11-11 I. Takesue , J. Haruyama , N. Kobayashi , S. Chiashi , S. Maruyama , T. Sugai , H. Shinohara

Thermo-electric transport at the nano-scale is a rapidly developing topic, in particular in superconductor-based hybrid devices. In this review paper, we first discuss the fundamental principles of electronic cooling in mesoscopic…

Superconductivity · Physics 2015-06-19 Hervé Courtois , Frank W. J. Hekking , Hung Q. Nguyen , Clemens Winkelmann

While it is known that the amplification of the superconducting critical temperature Tc is possible in a system of multiple electronic components in comparison with a single component system, many different road maps for room temperature…

We report low temperature transport measurements on suspended single walled carbon nanotubes (both individual tubes and ropes). The technique we have developed, where tubes are soldered on low resistive metallic contacts across a slit,…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 A. Kasumov , M. Kociak , M. Ferrier , R. Deblock , S. Gueron , B. Reulet , I. Khodos , O. Stephan , H. Bouchiat

The theoretical description of the thermodynamic properties of ferromagnetic/superconductor/ferromagnetic (F/S/F) systems of nanoscopic scale is proposed. Their superconducting characteristics strongly depend on the mutual orientation of…

Superconductivity · Physics 2009-11-07 I. Baladie , A. Buzdin

Over the last decade the search for compounds combining the resources of semiconductors and ferromagnets has evolved into an important field of materials science. This endeavour has been fuelled by continual demonstrations of remarkable…

Materials Science · Physics 2013-11-15 Tomasz Dietl

This work summarizes recent progress on the thermal transport properties of three-dimensional (3D) nanostructures, with an emphasis on experimental results. Depending on the applications, different 3D nanostructures can be prepared or…

Applied Physics · Physics 2019-09-16 Haifei Zhan , Yihan Nie , Yongnan Chen , John M. Bell , Yuantong Gu

The theoretical exploration of the phase diagrams of binary hydrides under pressure using \emph{ab initio} crystal structure prediction techniques coupled with first-principles calculations has led to the \emph{in silico} discovery of…

Superconductivity · Physics 2019-02-25 Eva Zurek , Tiange Bi

Presently, the main method of producing new high-temperature superconductors is chemical when record temperatures of the superconducting transition $T_c$ are reached due to changes in the chemical structure of a superconductor. This paper…

General Physics · Physics 2019-04-17 Victor D. Lakhno

We study thermoelectric effects in superconducting nanobridges and demonstrate that the magnitude of these effects can be comparable or even larger than that for a macroscopic superconducting circuit. The reason is related to a possibility…

Superconductivity · Physics 2009-11-11 V. L. Gurevich , V. I. Kozub , A. L. Shelankov

A possibility of high, room-temperature superconductivity was predicted for metallic hydrogen in the 1960s. However, metallization and superconductivity of hydrogen are yet to be unambiguously demonstrated in the laboratory and may require…

Nonchiral single wall carbon nanotubes with an "armchair" wrapping are theoretically predicted to be conducting, and high purity samples consisting predominantly of these tubes exhibit metallic behavior with an intrinsic resistivity which…

The prediction of material-specific properties of superconducting systems such as the electronic structure and the transition temperature is one of the major challenge in modern solid-state physics. In this paper we present the first…

Superconductivity · Physics 2016-09-21 Gabor Csire , Jozsef Cserti , Istvan Tutto , Balazs Ujfalussy