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

Members Made of Elastoplastic Material01:19

Members Made of Elastoplastic Material

403
The behavior of elastoplastic materials under bending stresses, particularly in structural members with rectangular cross-sections, is crucial for predicting material responses and understanding failure modes. Initially, when a bending moment is applied, the stress distribution across the section follows Hooke's Law and is linear and elastic. This distribution means the stress increases from the neutral axis to the maximum at the outer fibers, up to the elastic limit.
As the bending moment...
403
Genetic Material01:20

Genetic Material

3.8K
Within the human body, a complex and detailed system of trillions of cells works in unison to sustain life. Each cell houses a nucleus, which contains 46 chromosomes divided into 23 pairs. Chromosomes are highly coiled structures made of the genetic material DNA. These chromosomes are essential carriers of genetic information, with half inherited from the mother through her egg and the other half from the father's sperm, combining to create the unique genetic makeup of an individual.
3.8K
Bending of Members Made of Several Materials01:11

Bending of Members Made of Several Materials

615
In analyzing a structural member composed of two different materials with identical cross-sectional areas, it is crucial to understand how their distinct elastic properties affect the member's response under load. The analysis involves assessing stress and strain distributions using the transformed section concept, which accounts for variations in material properties.
Hooke's Law determines stress in each material, stating that stress is proportional to strain but varies due to each material's...
615
Dimensional Analysis03:40

Dimensional Analysis

64.8K
Dimensional analysis, also known as the factor label method, is a versatile approach for mathematical operations. The main principle behind this approach is: the units of quantities must be subjected to the same mathematical operations as their associated numbers. This method can be applied to computations ranging from simple unit conversions to more complex and multi-step calculations involving several different quantities and their units.
Conversion Factors and Dimensional Analysis
The unit...
64.8K
Dimensional Analysis01:27

Dimensional Analysis

681
Dimensional analysis is a valuable technique in fluid mechanics for simplifying complex problems by reducing them into dimensionless groups. These groups capture the essential relationships between the variables involved, allowing researchers and engineers to analyze fluid flow without dealing with each variable individually. This approach reduces the number of independent variables, allowing for easier analysis and better understanding of physical phenomena.
In fluid mechanics, dimensional...
681
Dimensional Analysis01:23

Dimensional Analysis

2.2K
Dimensional analysis is a powerful tool that is used in physics and engineering to understand and predict the behavior of physical systems. The basic idea behind dimensional analysis is to express physical quantities in terms of fundamental dimensions such as the mass, length, and time. Derived dimensions like the velocity, acceleration, and force are derived from the combinations of these fundamental dimensions.
Dimensional analysis allows us to analyze and compare physical quantities on a...
2.2K

You might also read

Related Articles

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

Sort by
Same author

LLM-Assembled Multiscale Cascades for High-Throughput Screening: The Case of Thermoelectric Materials.

Journal of chemical information and modeling·2026
Same author

Magnetic fields from microscopic sources: a new quantum-based discrete interaction approach.

Physical chemistry chemical physics : PCCP·2026
Same author

Interpretable machine learning for thermoelectric materials design with Kolmogorov-Arnold networks.

Scientific reports·2026
Same author

Perspective: The Future of the Southern Resident Killer Whales Depends on Interactions With Other Killer Whale Populations.

Ecology and evolution·2026
Same author

Tribology-driven modulation of piezoelectricity in 2D CdS bilayers: a first-principles investigation.

RSC advances·2025
Same author

Insight into the electronic, optical, and thermoelectric properties of novel ternary chalcohalides: next-generation energy applications.

RSC advances·2025
Same journal

Investigating the stabilizing influences of organic sidechains in epoxides by rotational spectroscopy and computational chemistry: 1,2-epoxyhexane <i>versus</i> 1,2-epoxy-5-hexene.

Physical chemistry chemical physics : PCCP·2026
Same journal

Structure and dynamics of water confined in graphene oxide.

Physical chemistry chemical physics : PCCP·2026
Same journal

Comprehensive first-principles study of group IIIA-VIA A<sub>2</sub>B<sub>3</sub> two-dimensional ferroelectrics.

Physical chemistry chemical physics : PCCP·2026
Same journal

Low-resistance ohmic contacts for NbGeN<sub>3</sub> enabled by cold metals.

Physical chemistry chemical physics : PCCP·2026
Same journal

Integrated first-principles, SCAPS-1D, and a ML framework for numerical modelling and performance optimization of BaXS<sub>3</sub> (X = Zr, Hf)-based perovskite solar cells.

Physical chemistry chemical physics : PCCP·2026
Same journal

Generalized Suzuki-Chin factorization in bosonic path integral molecular dynamics.

Physical chemistry chemical physics : PCCP·2026
See all related articles

Related Experiment Video

Updated: Feb 5, 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

10.4K

Superconductivity in intercalated buckled two-dimensional materials: KGe

Sherif Abdulkader Tawfik1, Catherine Stampfl, Michael J Ford

  • 1School of Mathematical and Physical Sciences, University of Technology Sydney, Ultimo, New South Wales 2007, Australia. sherif.abbas@rmit.edu.au mike.ford@uts.edu.au.

Physical Chemistry Chemical Physics : PCCP
|September 12, 2018
PubMed
Summary
This summary is machine-generated.

Superconductivity was discovered in potassium intercalated germanene (KGe2) at 11 K. Tensile strain slightly increases the transition temperature, highlighting the role of the buckled germanene structure in electron-phonon coupling.

More Related Videos

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

3.2K
Fabrication and Characterization of Superconducting Resonators
10:26

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

11.9K

Related Experiment Videos

Last Updated: Feb 5, 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

10.4K
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

3.2K
Fabrication and Characterization of Superconducting Resonators
10:26

Fabrication and Characterization of Superconducting Resonators

Published on: May 21, 2016

11.9K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Solid State Chemistry

Background:

  • Germanene, a two-dimensional material, exhibits unique electronic properties.
  • Superconductivity in two-dimensional materials is an active area of research.
  • Potassium-intercalated compounds offer pathways to novel electronic states.

Purpose of the Study:

  • To investigate the potential for superconductivity in potassium-intercalated germanene (KGe2).
  • To explore the effect of tensile strain on the superconducting properties of KGe2.
  • To understand the relationship between structural properties and electron-phonon coupling.

Main Methods:

  • Density Functional Theory (DFT) calculations.
  • Phonon spectrum analysis.
  • Superconducting transition temperature (Tc) and electron-phonon coupling (EPC) calculations.

Main Results:

  • Stable KGe2 exhibits superconductivity with a transition temperature (Tc) of approximately 11 K.
  • The electron-phonon coupling strength is calculated to be 1.9.
  • Applying 5% tensile strain slightly increases Tc to ~12 K and reduces EPC by 11% due to decreased buckling.
  • Strong electron-phonon coupling is attributed to the buckled germanene structure.

Conclusions:

  • Potassium-intercalated germanene (KGe2) is a promising material for superconductivity.
  • The buckled structure of germanene layers is crucial for strong electron-phonon coupling.
  • Strain engineering offers a method to tune superconducting properties in germanene-based materials.