Archive · 19 May 2025
Scientists Develop New Method for Creating 2D Metals
Imagine materials so thin they're almost flat like paper.
Scientists have found a new way to make these super-thin metal sheets, like bismuth.
They put metal powder between special layers and squeeze it hard.
The resulting metal sheets are only a couple of atoms thick.
These sheets act differently than regular metals.
They show special properties like the ability to change how electricity flows when touched by other electrical fields.
This opens up the door for new technologies, such as more sensitive sensors.
It is similar to how we use quantum dots, very tiny things with special properties, and may lead to innovations for the future, like faster computers.
Scientists developed a new method to create 2D sheets of various metals.
The technique involves sandwiching a metal powder between layers of MoS2 and sapphire.
The produced bismuth sheets were just a few atoms thick.
The new method resulted in a strong field effect and a nonlinear Hall effect in the metals.
2D metals may have unique properties that could enable new technologies like advanced sensors.
- Who
- Scientists from multiple institutions collaborated on the research.
- What
- Scientists produced 2D sheets of bismuth, gallium, indium, tin, and lead.
- When
- The research was recently published.
- Where
- The research was conducted at multiple institutions in China.
- Why
- 2D metals have unique properties that could be used for future technologies.
- Lead Institution
- Beijing National Laboratory for Condensed Matter Physics
- Metals Produced
- Bismuth, gallium, indium, tin, and lead
- Pressure Applied
- 200 million Pa
- Bismuth Sheet Thickness
- 6.3 Å
- Observed Properties
- Strong field effect and nonlinear Hall effect