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| Bednorz and Müller | |
|---|---|
| Name | J. Georg Bednorz and K. Alex Müller |
| Fields | Physics, Materials science |
| Workplaces | IBM Zurich Research Laboratory, University of Zurich |
| Alma mater | University of Münster, ETH Zurich |
| Known for | Discovery of high-temperature superconductivity in cuprates |
| Awards | Nobel Prize in Physics (1987) |
Bednorz and Müller J. Georg Bednorz and K. Alex Müller are physicists known for the experimental discovery of high-temperature superconductivity in copper-oxide materials, an achievement that reshaped condensed matter physics and influenced research at institutions such as IBM, Bell Labs, University of Cambridge, Massachusetts Institute of Technology, and ETH Zurich. Their 1986 report catalyzed rapid activity across laboratories including University of Tokyo, MIT Lincoln Laboratory, and Los Alamos National Laboratory, spurring theoretical and experimental work connected to figures and topics like Philip W. Anderson, John Bardeen, Lev Landau, Cooper pair, BCS theory, and Mott insulator physics.
Bednorz was born in Lennestadt and Müller in Basel; both completed formative studies in physics and materials science at European universities such as University of Münster, ETH Zurich, and institutions in Germany and Switzerland. Their academic trajectories intersected with mentors and contemporaries associated with Felix Bloch, Wolfgang Pauli, Werner Heisenberg, and research cultures fostered at laboratories like Max Planck Society facilities and the Swiss Federal Institute of Technology. Early influences included coursework and seminars referencing topics associated with Alexei Abrikosov, Vitaly Ginzburg, John Bardeen, and experimental techniques promoted at centers like CERN and Fraunhofer Society.
The partnership formed at the IBM Zurich Research Laboratory, where both worked within interdisciplinary teams interacting with scientists affiliated with IBM Research, ETH Zurich, University of Zurich, and visiting scholars from Harvard University, Stanford University, Princeton University, and Caltech. Their collaboration drew on expertise linked to colleagues and groups connected to Georg Bednorz (research group), Klaus von Klitzing, Heinrich Rohrer, George Grüner, and experimental traditions appearing at Royal Society conferences and meetings such as the American Physical Society March Meeting and International Conference on Low Temperature Physics. Funding and institutional context tied them to programs supported by entities including Swiss National Science Foundation and international exchanges with National Science Foundation initiatives.
In 1986 they reported superconductivity above the boiling point of liquid nitrogen in a ceramic copper-oxide compound, a result that engaged theorists and experimenters from laboratories such as IBM, Los Alamos National Laboratory, Bell Labs, Rice University, Johns Hopkins University, University of California, Berkeley, and Columbia University. The finding prompted immediate replication and extension by groups led by researchers like Paul Chu, Jun Akimitsu, M. K. Wu, and was discussed in relation to models developed by Philip W. Anderson, Giovanni B. Bachelet, Elihu Abrahams, and connections to phenomena such as antiferromagnetism, Mott transition, and charge density wave order. Their work intersected with experimental methods and instruments associated with X-ray diffraction, neutron scattering, scanning tunneling microscopy, and facilities such as European Synchrotron Radiation Facility and Oak Ridge National Laboratory.
The discovery generated rapid dissemination through venues like Nature (journal), Physical Review Letters, Science (journal), and presentations at APS March Meeting and International Conference on Superconductivity. It influenced industrial and academic efforts across organizations including Siemens, Hitachi, Nissan, Toyota, and research initiatives at universities including University of Cambridge, Imperial College London, Tokyo Institute of Technology, and Seoul National University. The result changed priorities in projects funded by agencies such as European Research Council, National Science Foundation, Japan Society for the Promotion of Science, and spurred applied research into magnetic resonance imaging, power transmission, quantum computing, and technologies pursued at IBM Research and Microsoft Research.
For their work they received prestigious recognitions including the Nobel Prize in Physics in 1987; this accolade linked them into a cohort of laureates such as Georg Bednorz (Nobel laureate list), Alex Müller (Nobel laureate list), John Bardeen, Leon N. Cooper, and Robert Schrieffer. Other honours and memberships associated with their careers connect them to academies and societies like the Swiss Academy of Sciences, National Academy of Sciences, Royal Swedish Academy of Sciences, and prizes awarded by organizations including the Wolf Prize, Japan Prize, and European science institutions such as Max Planck Society.
After the discovery, both remained active in research communities connected to ETH Zurich, University of Zurich, IBM Zurich Research Laboratory, and international collaborations with groups at MIT, Stanford University, University of Tokyo, and Chinese Academy of Sciences. Their legacy continues in ongoing investigations into unconventional superconductors involving materials studied at facilities like Brookhaven National Laboratory, Los Alamos National Laboratory, European Synchrotron Radiation Facility, and in theoretical frameworks elaborated by scholars such as Philip W. Anderson, Patrick A. Lee, S. C. Zhang, and Subir Sachdev. Contemporary research on topological phases and correlated electrons at institutions including Princeton University, University of California, Santa Barbara, Harvard University, and University of Cambridge acknowledges the transformative role their 1986 discovery played in shaping twenty-first century condensed matter physics.
Category:Physicists