Sir Nevill Mott

Sir Nevill Mott was a preeminent British physicist whose groundbreaking work on the electronic structure of disordered and amorphous materials fundamentally transformed condensed matter physics. He shared the Nobel Prize in Physics in 1977 with Philip W. Anderson and John H. van Vleck for their collective theoretical investigations of the electronic structure of magnetic and disordered systems. Mott's career spanned prestigious positions at the University of Bristol and the University of Cambridge, where his insights into metal–insulator transitions and semiconductor behavior laid the foundation for modern electronics and materials science.

Early life and education

Born in Leeds, Mott was the son of Charles Francis Mott and Lilian Mary Reynolds, both of whom were deeply involved in education at Yorkshire College. He attended Clifton College in Bristol before winning a scholarship to St John's College, Cambridge, where he studied mathematics and theoretical physics. At Cambridge University, he came under the influence of renowned physicists like Ralph H. Fowler and was part of a vibrant intellectual circle that included future Nobel laureates such as Paul Dirac. His early research, guided by Fowler, focused on quantum mechanics and collision theory, setting the stage for his later revolutionary work.

Career and research

Mott began his academic career with a lectureship at the University of Manchester before moving to the University of Bristol in 1933 as a professor of theoretical physics. At Bristol, he established a major research school, collaborating with experimentalists like Harrie Massey and making significant contributions to the theory of atomic collisions and dislocations in metals. In 1948, he was appointed Cavendish Professor of Physics at the University of Cambridge, succeeding Lawrence Bragg and leading the historic Cavendish Laboratory for over two decades. His most famous work there involved explaining the Mott insulator, a class of materials that should conduct electricity according to conventional band theory but instead act as insulators due to strong electron correlations, a phenomenon known as the Mott transition. This work, alongside his studies on amorphous semiconductors and oxide glasses, had profound implications for the development of thin-film transistors and solar cell technology.

Honors and awards

Mott received numerous prestigious accolades throughout his illustrious career. He was elected a Fellow of the Royal Society in 1936 and was knighted in 1962. Among his many awards were the Royal Medal in 1953, the Copley Medal in 1972, and the Nobel Prize in Physics in 1977. He also served as President of the Institute of Physics and received honorary degrees from universities worldwide, including the University of Oxford and the University of Paris. His international recognition was further cemented by memberships in foreign academies such as the American Academy of Arts and Sciences and the Soviet Academy of Sciences.

Personal life and legacy

Mott married Ruth Horder in 1930, and they had two daughters. Known for his modesty and dedication to teaching, he was a passionate advocate for nuclear disarmament and served as president of the Campaign for Nuclear Disarmament. After retiring from Cambridge, he remained active in research and writing, authoring influential textbooks like *"Electronic Processes in Ionic Crystals"* with Ronald Gurney. Mott's legacy endures through the continued exploration of Mott physics in fields like high-temperature superconductivity and quantum computing, with institutions like the University of Cambridge's Cavendish Laboratory and the Mott Lecture Series honoring his profound impact on modern science.

Selected publications

* Mott, N. F., & Gurney, R. W. (1940). *Electronic Processes in Ionic Crystals*. Oxford University Press. * Mott, N. F., & Jones, H. (1936). *The Theory of the Properties of Metals and Alloys*. Clarendon Press. * Mott, N. F. (1967). *"Electrons in disordered structures"*. *Advances in Physics*. * Mott, N. F. (1974). *Metal–Insulator Transitions*. Taylor & Francis. * Mott, N. F., & Davis, E. A. (1979). *Electronic Processes in Non-Crystalline Materials*. Clarendon Press.

Category:English physicists Category:Nobel laureates in Physics Category:1905 births Category:1996 deaths