UV modulation by twisting crystal films
Films of the two-dimensional material hexagonal boron nitride can be used to control light emission from materials, according to the Singapore-MIT Alliance for Research and Technology (Smart).
The phenomenon involves the creation of ‘Moiré superlattices’ as two films are rotated with respect to one-another, and works at room temperature with films made from stacks of atoms around 100nm high – considered bulk materials and easier to manipulate than single-atom layers.
It was examined using ultra-violet cathodoluminescence in a scanning transmission electron microscope.
“A number of new physical phenomena, such as unconventional superconductivity, have been discovered recently by stacking individual layers of atomically-thin materials on top of each other at a twist angle, which results in the formation of what we call Moiré superlattices,” said Smart investigator Professor Silvija Gradecak. “Existing methods focus on stackin
Upcoming JTBC series Law School has unveiled its first main poster!
This star-studded drama will depict the story of the students and professors of South Korea s top law school, who will later on be involved in an unexpected case.
(Photo : JTBC Official Instagram) Law School Cast Members Look Smart and Powerful in the New Poster
On March 10, JTBC posted on their official social media accounts the new high profile poster of the drama Law School. It can be seen in the poster the ten lead characters Kim Myung Min, Kim Bum, Lee Jung Eun, Ryu Hye Young, Lee Soo Kyung, Go Yoon Jung, Hyun Woo, David Lee, Gil Hae Yeon, and Oh Man Seok.