Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Biasing of Metal-Semiconductor Junctions01:27

Biasing of Metal-Semiconductor Junctions

289
Biasing metal-semiconductor junctions involves applying a voltage across the junction. Specifically, the metal is connected to a voltage source, while the semiconductor is grounded. This technique is essential for controlling the direction and magnitude of current flow in electronic devices, including diodes, transistors, and photovoltaic cells.
In Schottky junctions, where the semiconductor is n-type, applying a positive voltage to the metal relative to the semiconductor reduces its Fermi...
289
Boundary Conditions for Current Density01:25

Boundary Conditions for Current Density

916
Current density becomes discontinuous across an interface of materials with different electrical conductivities. The normal component of the current density is continuous across the boundary.
916
Types Of Superconductors01:28

Types Of Superconductors

1.1K
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...
1.1K
Interfacial Electrochemical Methods: Overview01:06

Interfacial Electrochemical Methods: Overview

293
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current...
293
Superconductor01:24

Superconductor

1.2K
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...
1.2K
Metal-Semiconductor Junctions01:24

Metal-Semiconductor Junctions

397
The contact of metal and semiconductor can lead to the formation of a junction with either Schottky or Ohmic behavior.
Schottky Barriers
Schottky barriers arise when a metal with a work function (Φm) contacts a semiconductor with a different work function (Φs). Initially, electrons transfer until the Fermi levels of the metal and semiconductor align at equilibrium. For instance, if Φm > Φs, the semiconductor Fermi level is higher than the metal's before contact. The...
397

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Multiband-driven anisotropic vortex topology in iron-based superconductors yielding a strain-tunable x-vortex Majorana platform.

Nature communications·2026
Same author

Spin-Polarized Josephson Supercurrent in Nodeless Altermagnets.

Physical review letters·2026
Same author

A giant of physics-in memory of Chen-Ning Yang.

National science review·2025
Same author

The preface: Nickelates-a new playground for high-<i>T</i> <sub>c</sub> superconductivity.

National science review·2025
Same author

Self-doped molecular Mott insulator for bilayer high-temperature superconducting La<sub>3</sub>Ni<sub>2</sub>O<sub>7</sub>.

National science review·2025
Same author

Global estimation of dengue disability weights based on clinical manifestations data.

Infectious diseases of poverty·2025

Related Experiment Video

Updated: Jul 31, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.7K

Tuning interfacial two-component superconductivity in CoSi2/TiSi2 heterojunctions via TiSi2 diffusivity.

Shao-Pin Chiu1, Vivek Mishra2, Yu Li2

  • 1Department of Electrophysics & Center for Emergent Functional Matter Science, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan.

Nanoscale
|May 5, 2023
PubMed
Summary

We observed enhanced superconductivity in CoSi2/TiSi2 heterojunctions, driven by triplet Cooper pairs. Tuning the normal metal

More Related Videos

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
06:44

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

3.2K
Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

10.3K

Related Experiment Videos

Last Updated: Jul 31, 2025

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
05:39

Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform

Published on: August 2, 2019

9.7K
Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing
06:44

Tuning Oxide Properties by Oxygen Vacancy Control During Growth and Annealing

Published on: June 9, 2023

3.2K
Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures
11:54

Growth and Electrostatic/chemical Properties of Metal/LaAlO3/SrTiO3 Heterostructures

Published on: February 8, 2018

10.3K

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Superconductivity

Background:

  • Superconductor/normal-metal (S/N) heterojunctions are crucial for studying proximity effects.
  • Understanding interfacial superconductivity, particularly triplet pairing, is key to advancing superconducting technologies.
  • Previous research has explored Cooper pair behavior in various S/N systems, but enhanced triplet superconductivity in specific materials remains an active area.

Purpose of the Study:

  • To investigate enhanced interfacial superconductivity in nonmagnetic CoSi2/TiSi2 superconductor/normal-metal planar heterojunctions.
  • To detect and characterize odd-frequency spin-triplet Cooper pairs in the diffusive normal-metal component.
  • To explore the tunability of transition temperature and critical field by modifying the normal-metal diffusivity.

Main Methods:

  • Fabrication and characterization of T-shaped proximity junctions using CoSi2/TiSi2 heterostructures.
  • Detection of odd-frequency spin-triplet Cooper pairs using transport measurements.
  • Modification of the normal-metal (TiSi2) diffusivity and its effect on superconducting properties.
  • Theoretical analysis using a Ginzburg-Landau model and quasi-classical theory.

Main Results:

  • Observation of enhanced interfacial two-component superconductivity with a dominant triplet component.
  • Detection of odd-frequency spin-triplet even-parity Cooper pairs in the diffusive TiSi2 layer.
  • Tuning of transition temperature enhancement by a factor of up to 2.3 and upper critical field increase by up to a factor of 20.
  • Evidence suggesting the C49 phase of TiSi2, stabilized in confined geometries, is responsible for the enhancement.

Conclusions:

  • The study demonstrates a novel approach to enhance superconductivity through interfacial engineering in nonmagnetic heterojunctions.
  • The findings provide direct evidence for odd-frequency triplet Cooper pairs and their role in enhanced superconducting properties.
  • The results offer insights into the mechanisms behind enhanced superconductivity and relate to phenomena like the 3-K phase in Sr2RuO4.