Christian Alfred Elie Janot (January 4, 1936 – February 23, 2022) was a French physicist and materials scientist known for his work on materials characterization using Mössbauer spectroscopy and his physical metallurgy studies of

quasicrystal A quasiperiodicity, quasiperiodic crystal, or quasicrystal, is a structure that is Order and disorder (physics), ordered but not Bravais lattice, periodic. A quasicrystalline pattern can continuously fill all available space, but it lacks trans ...

s and noncrystalline materials using

neutron scattering Neutron scattering, the irregular dispersal of free neutrons by matter, can refer to either the naturally occurring physical process itself or to the man-made experimental techniques that use the natural process for investigating materials. Th ...

techniques.

Education and career

Janot studied physics and mathematics at the University of Dijon and later joined Armand Hadni at

University of Nancy A university () is an institution of tertiary education and research which awards academic degrees in several academic disciplines. ''University'' is derived from the Latin phrase , which roughly means "community of teachers and scholars". Uni ...

, where he received his PhD in 1963. Janot was one of the founding directors of the Jean Lamour Institute, a joint research institute between

CNRS The French National Centre for Scientific Research (, , CNRS) is the French state research organisation and is the largest fundamental science agency in Europe. In 2016, it employed 31,637 staff, including 11,137 tenured researchers, 13,415 eng ...

and the University of Lorraine. Between 1982 and 1991, Janot was appointed senior scientist at Institut Laue Langevin in

Grenoble Grenoble ( ; ; or ; or ) is the Prefectures in France, prefecture and List of communes in France with over 20,000 inhabitants, largest city of the Isère Departments of France, department in the Auvergne-Rhône-Alpes Regions of France, region ...

, France, and retained a long-term visitor position afterwards. During this period, Janot also became a professor at

Joseph Fourier University Joseph Fourier University (UJF, , also known as Grenoble I) was a French university situated in the city of Grenoble and focused on the fields of sciences, technologies and health. It is now part of the Université Grenoble Alpes. Importance ...

(later part of Grenoble Alpes University). Janot cowrote several textbooks in physics and materials science.

Nobel Laureate The Nobel Prizes (, ) are awarded annually by the Royal Swedish Academy of Sciences, the Swedish Academy, the Karolinska Institutet, and the Norwegian Nobel Committee to individuals and organizations who make outstanding contributions in th ...

Dan Shechtman wrote a foreword for his classic monograph on

Honors and awards

Janot was a French Government Overseas Fellow in 1981 at Churchill College,

University of Cambridge The University of Cambridge is a Public university, public collegiate university, collegiate research university in Cambridge, England. Founded in 1209, the University of Cambridge is the List of oldest universities in continuous operation, wo ...

. He was also a visiting professor at

Sapienza University of Rome The Sapienza University of Rome (), formally the Università degli Studi di Roma "La Sapienza", abbreviated simply as Sapienza ('Wisdom'), is a Public university, public research university located in Rome, Italy. It was founded in 1303 and is ...

Bibliography

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References

{{DEFAULTSORT:Janot, Christian University of Burgundy alumni 1936 births 2022 deaths French materials scientists 20th-century French physicists Academic staff of Grenoble Alpes University Academic staff of Nancy-Université Nancy-Université alumni People from Saint-Dizier French metallurgists Research directors of the French National Centre for Scientific Research