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Related Concept Videos

Types Of Superconductors01:28

Types Of Superconductors

A superconductor is a substance that offers zero resistance to the electric current when it drops below a critical temperature. Zero resistance is not the only interesting phenomenon as materials reach their transition temperatures. A second effect is the exclusion of magnetic fields. This is known as the Meissner effect. A light, permanent magnet placed over a superconducting sample will levitate in a stable position above the superconductor. High-speed trains that levitate on strong...
Superconductor01:24

Superconductor

A substance that reaches superconductivity, a state in which magnetic fields cannot penetrate, and there is no electrical resistance, is referred to as a superconductor. In 1911, Heike Kamerlingh Onnes of Leiden University, a Dutch physicist, observed a relation between the temperature and the resistance of the element mercury. The mercury sample was then cooled in liquid helium to study the linear dependence of resistance on temperature. It was observed that, as the temperature decreased, the...

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Publisher Correction: Josephson coupled Ising pairing induced in suspended MoS<sub>2</sub> bilayers by double-side ionic gating.

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Liquid-gated interface superconductivity on an atomically flat film.

J T Ye1, S Inoue, K Kobayashi

  • 1Institute for Materials Research, Tohoku University, Sendai 980-8577, Japan. yejianting@imr.tohoku.ac.jp

Nature Materials
|November 26, 2009
PubMed
Summary
This summary is machine-generated.

Researchers induced superconductivity in ZrNCl using ionic liquids and mechanical micro-cleavage. This advance in electric double-layer transistors (EDLTs) opens new avenues for discovering novel superconductors.

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Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Surface Science

Background:

  • Liquid/solid interfaces are crucial for catalysis, energy storage, and electronic devices like electric double-layer transistors (EDLTs).
  • EDLTs have shown potential for inducing electronic phase transitions, including superconductivity in materials like SrTiO(3).
  • Expanding EDLT applications to induce superconductivity in other materials is a significant scientific challenge due to material and processing limitations.

Purpose of the Study:

  • To develop an accessible method for inducing superconductivity in new materials using EDLTs.
  • To explore the potential of layered nitride compounds for field-induced superconductivity.
  • To broaden the scope of materials science for superconductor discovery beyond traditional synthesis.

Main Methods:

  • Utilized ionic liquids as gate dielectrics for EDLT fabrication.
  • Employed mechanical micro-cleavage techniques for preparing atomically flat ZrNCl surfaces.
  • Investigated field-induced electronic phase transitions via electrostatic charge accumulation.

Main Results:

  • Achieved field-induced superconductivity in a layered nitride compound, ZrNCl.
  • Observed a superconducting transition temperature (T(c)) of 15.2 K.
  • Demonstrated the efficacy of the developed EDLT method on an atomically flat film.

Conclusions:

  • The electric double-layer transistor (EDLT) is a versatile tool for inducing electronic phase transitions.
  • This study presents a novel and accessible route for discovering superconductors.
  • The findings offer new perspectives for materials science in the search for novel superconducting materials.