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Mark Reed led lots of the early discoveries in nanotechnology in 1980–Nineteen Nineties with initiatives spanning digital transport in mesoscopic techniques and molecules to nanofluidics and bioelectronics. He was an mental pioneer, daring to discover analysis matters that others may deem not possible or too tough. His modus operandi could possibly be summarized as ‘by no means worry’.
Credit score: Yale College
He was the signature rent for the fledgling nanoelectronics programme at Texas Devices (TI) in 1983, simply after he accomplished his PhD at Syracuse College. His insights in exploiting quantum mechanics for brand new gadgets led to the demonstration of zero‐dimensional tunnelling in a heterostructure gadget he termed the ‘quantum dot’ (M. A. Reed et al., Phys. Rev. Lett. 60, 535–537; 1988). This discovery led to a long time of analysis on semiconducting quantum dots, quantum computing and quite a few functions together with semiconducting lasers and telecommunications. Mark pioneered the investigation of unipolar and bipolar resonant tunnelling transistors with an intention so as to add new performance and allow new computing architectures. Early works of his on resonant tunnelling transistors had been the precursors to present efforts in steep‐subthreshold‐swing tunnel area‐impact transistors. His tireless enthusiasm and creativity energized early efforts at TI and his concepts proceed to reverberate by means of the analysis group.
Reed was recruited into the Yale school in 1990 and developed a visionary analysis programme on molecular electronics. His insights into nanofabrication and nanotechnology and its capabilities for permitting exploration of seemingly not possible measurements impressed all who knew him. His college students vividly recall group conferences filled with his boundless enthusiasm with feedback equivalent to ‘guidelines are supposed to be damaged!’. On the time, it was thought that digital transport by means of a single molecule or a single atom was not possible in an digital gadget due to bodily limitations in nanofabrication. His immeasurable optimism and scientific instinct would quickly result in a piece round. Positive sufficient, in collaboration with James Tour’s group at Rice College, his group confirmed how transport properties of molecules could possibly be measured. In 1997 his group demonstrated conductance by means of a single molecule (M. A. Reed et al., Science 278, 252–254; 1997) and later went on to reveal a single molecule transistor. These outcomes sparked broad curiosity within the area, which continues as we speak.
“What was exceptional about Mark was that he was sincerely genuinely form and caring. He would exit of his manner to assist college students and employees in the way in which they wanted to be helped at any time. The outcome was that we at all times felt we actually owned what we had been doing” says former post-doc James Klemic. Extra not too long ago Reed’s analysis programme utilized his legendary understanding of nanotechnology to bioelectronic techniques and nanofluidics. His group demonstrated label-free immunodetection utilizing semiconducting nanowires (E. Stern et al., Nature 445, 519–522; 2007). They then confirmed how microfluidic purification previous to sensing can permit for biomarker detection from complete blood, a big problem for nanowire techniques.
A lot of his 23 PhD college students and 14 submit‐docs went on to affix or discovered begin‐ups, and he continued to assist them by investing within the corporations and likewise scientifically by discussing science along with his former college students, even a few years after their thesis. “Mark was a real instructor; he may go away a long-lasting mark on you. Nonetheless as we speak, 25 years after I used to be in Mark’s lab, I nonetheless really feel his phrases supporting me” says former scholar Mandar Deshpande. In tribute to every of his PhD college students, he made a photolithographically etched silicon wafer in honour of every thesis. The board with these silicon wafers was positioned in a outstanding place in Mark’s workplace and had been an oft topic of dialog throughout a go to. As a memorial to him, the board will stay at Yale close to his former laboratory.
Reed additionally cared deeply about his division at Yale and about mentoring undergraduate college students. He was proud to be the director of undergraduate research on the electrical engineering division for quite a few years. “Throughout a analysis assembly, some undergraduate college students got here in with a query. Mark stopped the assembly and for about 10 minutes to assist them, clearly bending over backwards and excited to reply their questions. Being a mentor to everybody was simply second nature to him” reminisces Peter Burke, a collaborator from UC Irvine.
Reed was born in Suffern, New York and grew up in Syracuse, NY the place he attended the Christian Brothers Academy. He went on to obtain his BA, MS and PhD in physics from Syracuse College. “Exterior of college he loved searching, fishing in upstate New York and discovered woodworking from his father, Arthur. The black walnut furnishings in his house was designed by Mark and his father; the wooden originated from bushes he felled along with his father and brother. As an grownup Mark grew to become an achieved divemaster, and as such we loved distinctive dives equivalent to shipwrecks, wall dives, deep dives and night time dives. He had a knack for locating probably the most distinctive locations to trip and made it a degree to seek out conventional personal lodging to have the ability to totally expertise the completely different cultures all over the world” recollects his spouse, Elizabeth J. Reed.
“Mark was a tireless innovator, bringing to life numerous concepts for modern gadgets to enhance well being and human lives. We had been made higher by his presence, and we are going to miss him dearly” mentioned Jeffrey Brock, dean of the Faculty of Engineering & Utilized Science (SEAS) at Yale after studying of his passing final spring.
Mark Reed lives on in all of us who had the honour to be mentored by him or labored with him.
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Calvet, L.E., Chen, J., Lee, T. et al. Mark A. Reed (1955–2021).
Nat. Nanotechnol. (2022). https://doi.org/10.1038/s41565-022-01093-5