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Dr Roger Johnson
A6, Department of Physics & Astronomy
University College London
Gower Street
London
WC1E 6BT
Dr Roger Johnson profile picture
Appointment
  • Lecturer
  • Dept of Physics & Astronomy
  • Faculty of Maths & Physical Sciences
Research Groups
Research Summary

Our research group works on the experimental determination of structure-property relationships in quantum materials and their theoretical interpretation via phenomenological group and Landau theories. At present we are focused on magneto-orbital physics of novel quadruple perovskite manganites, model quantum magnets engineered from coordination polymers, the crystal and magnetic structures of candidate Kitaev systems, and multiferroic thin film devices for oxide electronics.

We perform laboratory-based experiments using, for example, a Quantum Design Magnetic Properties Measurement System and Physical Properties Measurement System, bespoke dielectric and ferroelectric instrumentation, and single crystal and powder x-ray diffractometers. Our core research involves experiments at large-scale central facilities, mostly the ISIS Neutron and Muon Source and Diamond Light Source.

Appointments
OCT-2019 Lecturer Department of Physics and Astronomy University College London, United Kingdom
OCT-2019 Visiting Lecturer Department of Physics University of Oxford, United Kingdom
JAN-2016 – OCT-2019 Royal Society University Research Fellowship Department of Physics University of Oxford, United Kingdom
JUN-2015 – DEC-2015 WISH Instrument Scientist Crystallography Group ISIS Neutron and Muon Source, United Kingdom
NOV-2010 – MAY-2015 PDRA Department of Physics University of Oxford, United Kingdom
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