Karin M. Rabe (born 1961) [1] is an American condensed matter and computational materials physicist known for her studies of materials near phase transitions, including ferroelectrics, multiferroics, and martensites. [2] [3] She also works on the theoretical design of new materials. [4] She is a distinguished professor and Board of Governors Professor of Physics at Rutgers University. [5]
Rabe graduated magna cum laude from Princeton University in 1982, with a bachelor's degree in physics. She completed her Ph.D. in 1987 at the Massachusetts Institute of Technology; her dissertation Ab initio Statistical Mechanics of Structural Phase Transitions was supervised by John Joannopoulos. [1] [6]
After postdoctoral research at AT&T Bell Laboratories, she joined Yale University as Clare Boothe Luce Assistant Professor of Applied Physics and Physics in 1989. She became full professor at Yale in 1999, and moved to Rutgers in 2000. [1] [6] At Rutgers, her doctoral students have included 2013 MacArthur "Genius" Award winner Craig Fennie. [7]
Rabe also served as chair of the board of the Aspen Center for Physics from 2018 to 2021, as president from 2013 to 2016, and as vice president from 2007 to 2013. [8]
Rabe was named Board of Governors Professor by Rutgers in 2013. [9]
In 2002, she was elected as a Fellow of the American Physical Society (APS), after a nomination from the APS Division of Materials Physics "for fundamental contributions to the development and application of theoretical and computational methods for the study of structural phase transitions in solids". [10] Rabe won the David Adler Lectureship Award in the Field of Materials Physics for 2008 "for research, writings and presentations on the theory of structural phase transitions and for the application of first-principles electronic structure methods to the understanding of technologically important phenomena in ferroelectrics". [11] [6]
She was named a Fellow of the American Association for the Advancement of Science in 2011, [12] and elected to both the American Academy of Arts and Sciences and the National Academy of Sciences in 2013. [2] [3]
Rabe’s research has focused on the computational analysis of the physics of crystalline solids using first-principles. She has examined material systems which are close to structural, electronic, and magnetic phase transitions. Such systems include ferroelectrics, [13] antiferroelectrics, piezoelectrics, high-k dielectrics, multiferroics, shape-memory compounds, magnetic and nonmagnetic martensites. These materials exhibit properties which support a wide range of technological applications, including information and energy storage and conversion. [14]
Rabe’s research has also examined the effects of epitaxial strain and the properties of interfaces in thin films, superlattices, [15] and other artificially structured systems. [16]
Finally, Rabe has applied first-principles approaches to theoretically design new materials with optimized or useful properties, as well as to discover new classes of functional materials. [17]
Ferroelectricity is a characteristic of certain materials that have a spontaneous electric polarization that can be reversed by the application of an external electric field. All ferroelectrics are also piezoelectric and pyroelectric, with the additional property that their natural electrical polarization is reversible. The term is used in analogy to ferromagnetism, in which a material exhibits a permanent magnetic moment. Ferromagnetism was already known when ferroelectricity was discovered in 1920 in Rochelle salt by Joseph Valasek. Thus, the prefix ferro, meaning iron, was used to describe the property despite the fact that most ferroelectric materials do not contain iron. Materials that are both ferroelectric and ferromagnetic are known as multiferroics.
Multiferroics are defined as materials that exhibit more than one of the primary ferroic properties in the same phase:
Barium titanate (BTO) is an inorganic compound with chemical formula BaTiO3. Barium titanate appears white as a powder and is transparent when prepared as large crystals. It is a ferroelectric, pyroelectric, and piezoelectric ceramic material that exhibits the photorefractive effect. It is used in capacitors, electromechanical transducers and nonlinear optics.
Bismuth ferrite (BiFeO3, also commonly referred to as BFO in materials science) is an inorganic chemical compound with perovskite structure and one of the most promising multiferroic materials. The room-temperature phase of BiFeO3 is classed as rhombohedral belonging to the space group R3c. It is synthesized in bulk and thin film form and both its antiferromagnetic (G type ordering) Néel temperature (approximately 653 K) and ferroelectric Curie temperature are well above room temperature (approximately 1100K). Ferroelectric polarization occurs along the pseudocubic direction () with a magnitude of 90–95 μC/cm2.
Noemie Benczer Koller is a nuclear physicist. She was the first tenured female professor of Rutgers College.
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Laura H. Greene is the Marie Krafft Professor of Physics at Florida State University and chief scientist at the National High Magnetic Field Laboratory. She was previously a professor of physics at the University of Illinois at Urbana-Champaign. In September 2021, she was appointed to the President's Council of Advisors on Science and Technology (PCAST).
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John D. Joannopoulos is an American physicist, focused in condensed matter theory. He is currently the Francis Wright Davis Professor of Physics at Massachusetts Institute of Technology, an Elected Member of the National Academy of Sciences (NAS), an Elected Member of the American Academy of Arts and Sciences (AAA&S), and an Elected Fellow of the American Association for the Advancement of Science (AAAS) and American Physical Society (APS).
Julia Mundy is an American experimental condensed matter physicist. She was awarded the 2019 George E. Valley Jr. Prize by the American Physical Society (APS) for "the pico-engineering and synthesis of the first room-temperature magnetoelectric multi-ferroic material." This prize recognizes an "individual in the early stages of his or her career for an outstanding scientific contribution to physics that is deemed to have significant potential for a dramatic impact on the field." She is an assistant professor of physics at Harvard University in Cambridge, Massachusetts.
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