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MemberSeptember 9, 2021 at 4:19 pm
While this new discovery added a piece to the Mott transition puzzle — it uncovered a new mechanism that researchers can exploit to create low-power 2D semiconductor nanolasers — Ning said that they are not yet sure if this is the same mechanism that led to the production of their 2017 nanolasers.
Work is still ongoing in resolving the remaining mysteries. Such is the role of fundamental research; scientists aim to find one thing, but their efforts find something else, leading to new discoveries and expanding knowledge.
Similar trion experiments were conducted in the 1990s with conventional semiconductors, Ning said, “but the excitons and trions were so unstable, both experimental observation and, especially, utilization of this optical gain mechanism for real devices are extremely difficult.”
“Since the excitons and trions are much more stable in the 2D materials, there are new opportunities to make real-world devices out of these observations.”
This interesting development by Ning and his research team is only at the fundamental science level. However, fundamental research can lead to exciting things.
“Basic science is a worldwide endeavor and everyone benefits if the best people from everywhere can be involved. ASU has provided an open and free environment, especially for international collaborations with top research groups in China, Germany, Japan and worldwide,” Ning said.