Showing 22 results for Researcher: Mina Yoon
March 1, 2021
2 MIN READ
Oak Ridge National Laboratory scientists demonstrated that an electron microscope can be used to selectively remove carbon atoms from graphene’s atomically thin lattice and stitch transition-metal dopant atoms in their place.
October 18, 2020
1 MIN READ
Scientific Achievement: Researchers proposed a new strategy to explore various quantum phases and used it to predict the first room-temperature quantum anomalous Hall effect in a 2D post-transition metal system.Significance and Impact: The strategy, used to explore strain engineering of magnetic ordering and band topology, may inform the design of promising quantum materials for spintronic and other advanced computational devices.DOI: 10.1021/acs.nanolett.0c02520
June 26, 2020
7 MIN READ
An ORNL team used a simple process to implant atoms precisely into the top layers of ultra-thin crystals, yielding two-sided structures with different chemical compositions.
April 1, 2020
1 MIN READ
Selective replacement of the top atoms of an atomically thin 2D crystal to form Janus monolayers has been achieved by hyperthermal implantation of clusters generated by laser ablation.
March 25, 2020
1 MIN READ
Scientific Achievement: Selective replacement of the top atoms of an atomically thin 2D crystal to form Janus monolayers has been achieved by hyperthermal implantation of clusters generated by laser ablation.Significance and Impact: Hyperthermal implantation of atomically thin 2D crystals presents a new, low-temperature synthesis method to form novel Janus structures, alloys, and metastable phases that may have unique quantum properties.DOI: 10.1021/acsnano.9b10196
August 1, 2019
1 MIN READ
A new method developed at Oak Ridge National Laboratory improves the energy efficiency of a desalination process known as solar-thermal evaporation.
June 3, 2019
6 MIN READ
A team led by scientists at the Department of Energy’s Oak Ridge National Laboratory explored how atomically thin two-dimensional (2D) crystals can grow over 3D objects and how the curvature of those objects can stretch and strain the
December 7, 2016
1 MIN READ