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

Metallic Solids02:37

Metallic Solids

18.2K
Metallic solids such as crystals of copper, aluminum, and iron are formed by metal atoms. The structure of metallic crystals is often described as a uniform distribution of atomic nuclei within a “sea” of delocalized electrons. The atoms within such a metallic solid are held together by a unique force known as metallic bonding that gives rise to many useful and varied bulk properties.
All metallic solids exhibit high thermal and electrical conductivity, metallic luster, and malleability....
18.2K

You might also read

Related Articles

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

Sort by
Same author

Superconducting phase diagram of multilayer square-planar nickelates.

Science (New York, N.Y.)·2026
Same author

Visualizing the impact of quenched disorder on 2D electron Wigner solids.

Nature·2026
Same author

Electronic Layer Decoupling Driven by Density-Wave Order in La_{4}Ni_{3}O_{10}.

Physical review letters·2026
Same author

Topochemical Fluorination Yields Long-Range Superlattice in Epitaxial La<sub>2</sub>NiO<sub>4</sub> Thin Films.

ACS nano·2026
Same author

Piezoreflectance Spectroscopy of Optical Transitions in van der Waals Layered Crystals.

Journal of visualized experiments : JoVE·2026
Same author

Tunable synaptic memory response using organic regioisomeric donor-acceptor-donor luminophore triads.

Chemical science·2026

Related Experiment Video

Updated: May 28, 2025

Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes
11:21

Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes

Published on: March 21, 2018

8.1K

Metallic 2D Janus SNbSe layers driven by a structural phase change.

Cheng-Lun Wu1, Mohammad Y Sayyad1, Renee E Sailus1

  • 1Materials Science and Engineering, School for Engineering of Matter, Transport and Energy, Arizona State University, Tempe, Arizona 85287, USA. stongay@asu.edu.

Nanoscale
|February 12, 2025
PubMed
Summary
This summary is machine-generated.

Researchers synthesized novel metallic Janus layers, SNbSe and SeNbS, expanding the library of two-dimensional (2D) materials. These niobium-based Janus metals form via a phase transition, showing potential for diverse applications.

More Related Videos

Preparation of Janus Particles and Alternating Current Electrokinetic Measurements with a Rapidly Fabricated Indium Tin Oxide Electrode Array
09:55

Preparation of Janus Particles and Alternating Current Electrokinetic Measurements with a Rapidly Fabricated Indium Tin Oxide Electrode Array

Published on: June 23, 2017

8.1K
A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.5K

Related Experiment Videos

Last Updated: May 28, 2025

Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes
11:21

Atmospheric Pressure Fabrication of Large-Sized Single-Layer Rectangular SnSe Flakes

Published on: March 21, 2018

8.1K
Preparation of Janus Particles and Alternating Current Electrokinetic Measurements with a Rapidly Fabricated Indium Tin Oxide Electrode Array
09:55

Preparation of Janus Particles and Alternating Current Electrokinetic Measurements with a Rapidly Fabricated Indium Tin Oxide Electrode Array

Published on: June 23, 2017

8.1K
A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics
07:12

A Standard and Reliable Method to Fabricate Two-Dimensional Nanoelectronics

Published on: August 28, 2018

9.5K

Area of Science:

  • Materials Science
  • Condensed Matter Physics
  • Nanotechnology

Background:

  • Two-dimensional (2D) Janus materials exhibit unique properties distinct from traditional 2D transition metal dichalcogenides (TMDs).
  • The exploration of metallic 2D Janus layers remains limited, presenting a gap in material diversity.
  • Existing research primarily focuses on semiconducting 2D Janus TMDs.

Purpose of the Study:

  • To address the scarcity of metallic 2D Janus layers by synthesizing and characterizing new niobium-based examples.
  • To investigate the formation mechanism, structural, phononic, and electronic properties of these novel materials.
  • To expand the library of metallic Janus layers for potential technological applications.

Main Methods:

  • Experimental synthesis of SNbSe and SeNbS 2D Janus layers from monolayer NbS2 and NbSe2 using a plasma-assisted technique.
  • Characterization through comprehensive spectroscopy and Z-contrast high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM).
  • Theoretical investigation using density functional theory (DFT) simulations for phononic and electronic property analysis.

Main Results:

  • Successful synthesis of niobium-based 2D Janus layers (SNbSe and SeNbS) via a phase transition from 1H to 1T.
  • Detailed characterization revealing the phononic and structural properties during Janus SeNbS formation.
  • Demonstration of energetic stability and insights into electronic properties via DFT simulations.

Conclusions:

  • The study successfully realizes niobium-based 2D Janus metals, specifically SNbSe and SeNbS.
  • The formation of these Janus layers is linked to a phase transition, offering a new route for their creation.
  • These findings significantly expand the available library of metallic Janus layers, paving the way for future applications.