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

Types Of Superconductors01:28

Types Of Superconductors

1.6K
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...
1.6K
Superconductor01:24

Superconductor

1.7K
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...
1.7K
Semiconductors01:22

Semiconductors

1.3K
There is variation in the electrical conductivity of materials - metals, semiconductors, and insulators that are showcased with the help of the energy band diagrams.
Metals such as copper (Cu), zinc (Zn), or lead (Pb) have low resistivity and feature conduction bands that are either not fully occupied or overlap with the valence band, making a bandgap non-existent. This allows electrons in the highest energy levels of the valence band to easily transition to the conduction band upon gaining...
1.3K
Types of Semiconductors01:20

Types of Semiconductors

1.3K
Intrinsic semiconductors are highly pure materials with no impurities. At absolute zero, these semiconductors behave as perfect insulators because all the valence electrons are bound, and the conduction band is empty, disallowing electrical conduction. The Fermi level is a concept used to describe the probability of occupancy of energy levels by electrons at thermal equilibrium. In intrinsic semiconductors, the Fermi level is positioned at the midpoint of the energy gap at absolute zero. When...
1.3K
Theory of Metallic Conduction01:17

Theory of Metallic Conduction

1.7K
The conduction of free electrons inside a conductor is best described by quantum mechanics. However, a classical model makes predictions close to the results of quantum mechanics. It is called the theory of metallic conduction.
In this theory, Newton's second law of motion is used to determine the acceleration of an electron in the presence of an applied electric field. Then, its velocity is expressed via this acceleration.
An electron moves through the crystal, containing positive ions,...
1.7K
Fermi Level01:18

Fermi Level

1.5K
The Fermi-Dirac function is represented by an S-shaped curve indicating the probability of an energy state being occupied by an electron at a given temperature. The Fermi level is the energy level at which there is a fifty percent chance of finding an electron, and it is positioned between the lower-energy valence band and the higher-energy conduction band.
At absolute zero temperature, electrons fill all energy states up to the Fermi level, leaving upper states empty. As the temperature rises,...
1.5K

You might also read

Related Articles

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

Sort by
Same author

A flexible antigen-presenting cell targeting lentinan immunomodulator promotes stimulator of interferon gene-driven cancer therapy.

Carbohydrate polymers·2026
Same author

Mechanistic Divergence in Dirhodium Carbene Catalysis: A DFT Prediction of Bis-Carbene Intermediates.

Chemistry (Weinheim an der Bergstrasse, Germany)·2026
Same author

Pterostilbene synergizes with colistin against multidrug-resistant bacteria via iron chelation and membrane disruption, and promotes gut health restoration in weaned piglets.

Veterinary journal (London, England : 1997)·2026
Same author

Multifunctional polyamidoamine dendrimer/sodium alginate/γ-polyglutamic acid/amoxicillin hydrogel with enhanced hemostatic, antibacterial and wound healing properties for biomedical applications.

Colloids and surfaces. B, Biointerfaces·2026
Same author

Spermidine improves plant growth and reduces dinotefuran accumulation in strawberries by competitively occupying ABC transporters.

Food chemistry·2026
Same author

Two-Dimensional Iridium(III)-Carbon Nitride Nanocomplexes Induce Simultaneous Oncosis and Necroptosis for Synergistic Chemo- and Sono-Immunotherapy in Hypoxic Melanoma.

Journal of the American Chemical Society·2026
Same journal

Correction: A method for supervoxel-wise association studies of age and other non-imaging variables from coronary computed tomography angiograms.

Scientific reports·2026
Same journal

Poly(bromophenol blue)/CoSn(OH)<sub>6</sub> cubic particles modified pencil graphite electrode for electrochemical determination of diphenhydramine.

Scientific reports·2026
Same journal

Dietary Chlorella, Spirulina, and acidifier modulate jejunal cytokine-related gene expression in broiler chickens.

Scientific reports·2026
Same journal

Perceived physical activity barriers in university students: associations with fatigue and eating behaviours.

Scientific reports·2026
Same journal

Refuge limitation structures habitat use in agricultural landscapes: evidence from Sunda pangolins.

Scientific reports·2026
Same journal

Lightweight stateless transaction verification with outsourced witness updates for UTXO blockchains.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Jan 8, 2026

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

10.2K

Modulating superconductivity in elementary materials by doping.

Simin Nie1, Xiting Zhang2, Jiaxuan Guo3

  • 1Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA. smnie@stanford.edu.

Scientific Reports
|December 16, 2025
PubMed
Summary
This summary is machine-generated.

Doping elementary materials like molybdenum and niobium can significantly boost their superconducting transition temperatures. This study reveals optimal doping levels enhance electron-phonon coupling, crucial for high-temperature superconductivity.

More Related Videos

Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating
10:36

Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating

Published on: April 12, 2018

11.9K
Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride
04:51

Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride

Published on: July 8, 2021

3.1K

Related Experiment Videos

Last Updated: Jan 8, 2026

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

10.2K
Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating
10:36

Electric-field Control of Electronic States in WS2 Nanodevices by Electrolyte Gating

Published on: April 12, 2018

11.9K
Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride
04:51

Comparison of Two Different Synthesis Methods of Single Crystals of Superconducting Uranium Ditelluride

Published on: July 8, 2021

3.1K

Area of Science:

  • Condensed Matter Physics
  • Materials Science
  • Computational Materials Science

Background:

  • The discovery of high-temperature superconductivity in compressed hydrides has intensified the search for novel superconducting materials.
  • Understanding factors that increase the superconducting transition temperature (Tc) is critical for advancing superconductor technology.

Purpose of the Study:

  • To investigate the impact of doping on the superconducting properties of five elementary materials: Molybdenum (Mo), Niobium (Nb), Lead (Pb), Aluminum (Al), and Zirconium (Zr).
  • To determine the relationship between doping, electron-phonon coupling, and the transition temperature in these elemental superconductors.

Main Methods:

  • First-principles calculations were employed to simulate and analyze the effects of electron and hole doping.
  • Calculations focused on evaluating changes in phonon spectra and electron-phonon coupling strengths.

Main Results:

  • Both electron and hole doping were found to consistently enhance electron-phonon coupling strength and increase the superconducting transition temperature.
  • Phonon softening and altered contributions from specific phonon modes were identified as key mechanisms for this enhancement.
  • For each studied element, an optimal doping concentration was identified that maximizes the transition temperature.

Conclusions:

  • Doping is a highly effective strategy for increasing the transition temperature of traditional Bardeen-Cooper-Schrieffer superconductors.
  • The findings underscore the importance of doping in the design of new materials with improved superconducting performance.