Femtosecond Spectroscopy Unit (Keshav Dani)
4 Dec 2020 - 04:00
Heralding the end of a decade-long quest, in a promising new class of extremely thin, two-dimensional semiconductors, scientists have for the first time directly visualized and measured elusive...
Type: Press release
30 Nov 2020 - 17:16
By varying the time between the exciton-generating pump pulse and the extreme ultraviolet pulse that kicked out the electrons, the scientists were able to construct a video showing how dark excitons...
30 Nov 2020 - 17:04
Dr. Michael Man, co-first author and staff scientist in the OIST Femtosecond Spectroscopy Unit, loads a sample of the semiconductor material into the electron microscope.
30 Nov 2020 - 16:56
The instrument used an initial pump pulse of light to excite electrons and generate excitons. This was rapidly followed by a second pulse of light that used extreme ultraviolet photons to kick the...
30 Nov 2020 - 16:53
Dr. Julien Madéo, co-first author and staff scientist in the OIST Femtosecond Spectroscopy Unit aligns the beam of extreme ultraviolet light.
30 Nov 2020 - 16:50
The new class of semiconductors, known as transition metal dichalcogenide monolayers (TMDs), have structures similar to graphene. TMDs are made up of just a single layer of atoms that are arranged to...
16 Apr 2020 - 00:49
The trap clusters (light blue) were found to exist at the boundaries between certain grains.
16 Apr 2020 - 00:00
A multi-institutional collaboration, co-led by scientists at the University of Cambridge and Okinawa Institute of Science and Technology Graduate University (OIST), has discovered the source of...
Type: Press release
14 Apr 2020 - 09:51
The project team at OIST. From left to right: Professor Keshav Dani (Principal Investigator); Andrew Winchester (co-lead author); Vivek Pareek; Sofiia Kosar; Christopher Petoukhoff; Michael Man and...
14 Apr 2020 - 09:45
Researchers from the OIST Femtosecond Spectroscopy Unit conduct experiments in the laser lab.
23 Mar 2020 - 15:44
Since its discovery in 2014, phosphorene – a sheet of phosphorus atoms only a single atom thick – has intrigued scientists, due to its unique optoelectronic anisotropy. In other words, electrons...
Type: News Article
23 Mar 2020 - 14:35
Researchers from the Femtosecond Spectroscopy Unit, Vivek Pareek (left) and Dr. Julian Madéo (right) in the laser lab.