Denis Jerome (born 28 February 1939 in Paris) is a French experimental physicist in the field of condensed matter, who contributed to the discovery of superconductivity in organic conductive matter.
He studied at the Sorbonne, where he obtained his bachelor's degree in science in 1960, then the diploma of advanced studies in solid-state physics. In 1965, he obtained his doctorate in science under the supervision of Professor Anatole Abragam at the University of Paris-Saclay.
From 1965 to 1966, he worked as a post-doctoral fellow at the University of California at San Diego, in the laboratory of Professor Walter Kohn, winner of the 1998 Nobel Prize in Chemistry, where he conducted research in collaboration with Professor T. M. Rice. He then continued his post-doctoral research at Harvard University until March 1967.
In October 1962, he joined the Centre national de recherche scientifique (CNRS) as a research intern. He successively became a research master in 1970, research director in 1980, and director of research emeritus of the CNRS in 2004.
In 1967, he formed the "study group on the electronic properties of metals and alloys under very high hydrostatic pressure and low temperature" at the University of Paris-Sud at the request of Professors Jacques Friedel and André Guinier.
He is a specialist in the physics of low-dimensional electrons and the metal-insulator transition, known as Nevill Mott's transition.
His major contribution to scientific knowledge is the discovery, in 1980, in cooperation with Professor Klaus Bechgaard, [1] of the phenomenon of superconductivity in the organic solid with the detection of superconductivity at 0.9K under a pressure of 12 kbar in Bechgaard salt (TMTSF)2PF6. [2]
He has also contributed to the study of low-dimensional conductors, organic or inorganic, through various measurements of electronic properties under high pressure. He has published more than 390 scientific articles in international journals and several journal articles, book chapters. [3] and in 2024 a retrospective on low dimensional organic conductors and superconductors.
He has been chief editor of several international scientific journals, Journal de Physique Lettres, Journal de Physique, European Physical Journal B and Europhysics Letters.
Within the framework of the French Academy of Sciences, of which he is a member in the Physics section, [4] he coordinated the drafting of reports on the individual evaluation of researchers and teacher-researchers in the exact and experimental sciences in 2009, on the proper use of bibliometry [5] in 2011 and on the new challenges of scientific publishing [6] in 2014. He was President of the Physics section of the French Academy of Sciences from 2011 to 2015. He led a symposium on the interface between physics and chemistry [7] in February 2013 and on the physics of condensed matter in the 21st century [8] in January 2016.
Denis Jerome is the grandson of architect Lucien Bechmann who built part of the Cité Universitaire in Paris and the great grandson of Polytechnicien et ingénieur des Ponts et Chaussées Georges Bechmann who contributed to the construction of the North-South metro line in Paris and the construction of the sanitation network.
Unconventional superconductors are materials that display superconductivity which is not explained by the usual BCS theory or its extension, the Eliashberg theory. The pairing in unconventional superconductors may originate from some other mechanism than the electron–phonon interaction. Alternatively, a superconductor is called unconventional if the superconducting order parameter transforms according to a non-trivial irreducible representation of the point group or space group of the system.
Albert Fert is a French physicist and one of the discoverers of giant magnetoresistance which brought about a breakthrough in gigabyte hard disks. Currently, he is an emeritus professor at Paris-Saclay University in Orsay, scientific director of a joint laboratory between the Centre national de la recherche scientifique and Thales Group, and adjunct professor at Michigan State University. He was awarded the 2007 Nobel Prize in Physics together with Peter Grünberg.
Superconductivity is the phenomenon of certain materials exhibiting zero electrical resistance and the expulsion of magnetic fields below a characteristic temperature. The history of superconductivity began with Dutch physicist Heike Kamerlingh Onnes's discovery of superconductivity in mercury in 1911. Since then, many other superconducting materials have been discovered and the theory of superconductivity has been developed. These subjects remain active areas of study in the field of condensed matter physics.
An organic superconductor is a synthetic organic compound that exhibits superconductivity at low temperatures.
In organic chemistry, a Bechgaard salt is any one of a number of organic charge-transfer complexes that exhibit superconductivity at low temperatures. They are named for chemist Klaus Bechgaard, who was one of the first scientists to synthesize them and demonstrate their superconductivity with the help of physicist Denis Jérome. Most Bechgaard salt superconductors are extremely low temperature, and lose superconductivity above the 1–2 K range, although the most successful compound in this class superconducts up to almost 12 K.
Anatoly Ivanovich Larkin was a Russian theoretical physicist, universally recognised as a leader in theory of condensed matter, and who was also a celebrated teacher of several generations of theorists.
Frank Steglich is a German physicist and the founding director of the Max Planck Institute for Chemical Physics of Solids in Dresden, Germany.
Gregory Scott Boebinger was the director of the National High Magnetic Field Laboratory in Tallahassee, Florida, and is currently a professor of physics at Florida State University.
Klaus Bechgaard was a Danish scientist and chemist, noted for being one of the first scientists in the world to synthesize a number of organic charge transfer complexes and demonstrate their superconductivity, therefore the name Bechgaard salt. These salts all exhibit superconductivity at low temperatures.
Charge ordering (CO) is a phase transition occurring mostly in strongly correlated materials such as transition metal oxides or organic conductors. Due to the strong interaction between electrons, charges are localized on different sites leading to a disproportionation and an ordered superlattice. It appears in different patterns ranging from vertical to horizontal stripes to a checkerboard–like pattern , and it is not limited to the two-dimensional case. The charge order transition is accompanied by symmetry breaking and may lead to ferroelectricity. It is often found in close proximity to superconductivity and colossal magnetoresistance.
Maxim Nikolaevich Chernodub is a French physicist of Ukrainian descent best known for his postulation of the magnetic-field-induced superconductivity of the vacuum.
The EPS CMD Europhysics Prize is awarded since 1975 by the Condensed Matter Division of the European Physical Society, in recognition of recent work by one or more individuals, for scientific excellence in the area of condensed matter physics. It is one of Europe’s most prestigious prizes in the field of condensed matter physics. Several laureates of the EPS CMD Europhysics Prize also received a Nobel Prize in Physics or Chemistry.
Antoine Georges is a French physicist. He is a professor at the Collège de France in Paris and the director of the Center for Computational Quantum Physics at the Flatiron Institute, New York. In 2023, he was elected to the National Academy of Sciences.
The Laboratory of Solid State Physics (LPS) is a research institute of the Paris-Saclay University, associated to the National Center of Scientific Research (CNRS) as a joint research unit. It is located in Orsay, France, about 25 km southwest of Paris.
Alexandre Bouzdine (Buzdin) (in Russian - Александр Иванович Буздин; born March 16, 1954) is a French and Russian theoretical physicist in the field of superconductivity and condensed matter physics. He was awarded the Holweck Medal in physics in 2013 and obtained the Gay-Lussac Humboldt Prize in 2019 for his theoretical contributions in the field of coexistence between superconductivity and magnetism.
Dimitri Roditchev is a French physicist of Russian-Ukrainian origin, specializing in electronic properties of nano-materials, superconductors, electron transport, and quantum tunneling phenomena. He is a professor at ESPCI ParisTech and a research director at CNRS.
Andrey A. Varlamov is an Italian condensed matter physicist of Ukrainian origin, who works on superconductivity, fluctuation phenomena, graphene physics, and thermoelectricity. He is a principal investigator at the Institute of Superconductors, Oxides and Other Innovative Materials and Devices (SPIN-CNR) in Rome, Italy.
Wiebke Drenckhan, born 6 April 1977 in Bad Belzig, is a German physicist. She is a CNRS research director at the Institut Charles Sadron, where she investigates the physics and physical chemistry of liquid and solid foams and emulsions. She also works as illustrator for scientific journals and popular science books and she collaborates regularly with artists and designers.
Richard L. Greene is an American physicist. He is a distinguished university professor of Physics at the University of Maryland. He is known for his experimental research related to novel superconducting and magnetic materials.
Allen Marshall Goldman is an American experimental condensed matter physicist, known for his research on electronic transport properties of superconductors and for the eponymous Carlson-Goldman mode involving collective oscillations in superconductors.