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Abstract
Electromagnetic properties of single crystal terbium gallium garnet are characterised from room down to millikelvin temperatures using the whispering gallery mode method. Microwave spectroscopy is performed at low powers equivalent to a few photons in energy and conducted as functions of the magnetic field and temperature. A phase transition is detected close to the temperature of 3.5 K. This is observed for multiple whispering gallery modes causing an abrupt negative frequency shift and a change in transmission due to extra losses in the new phase caused by a change in complex magnetic susceptibility.
| Original language | English |
|---|---|
| Article number | 052402 |
| Journal | Applied Physics Letters |
| Volume | 111 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 31 Jul 2017 |
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Dive into the research topics of 'Electromagnetic properties of terbium gallium garnet at millikelvin temperatures and low photon energy'. Together they form a unique fingerprint.Projects
- 1 Finished
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ARC Centre of Excellence for Engineered Quantum Systems EQuS
Milburn, G. (Investigator 01), White, A. (Investigator 02), Doherty, A. (Investigator 03), Tobar, M. (Investigator 04), Twamley, J. (Investigator 05), Bartlett, S. (Investigator 06), Biercuk, M. (Investigator 07), Bowen, W. (Investigator 08), Brennan, G. (Investigator 09), Duty, T. (Investigator 10), Gilchrist, A. (Investigator 11), Molina-Terriza, G. (Investigator 12), Rabeau, J. (Investigator 13), Reilly, D. (Investigator 14), Rubinsztein-Dunlop, H. (Investigator 15), Stace, T. (Investigator 16) & Vidal, G. (Investigator 17)
ARC Australian Research Council
1/01/11 → 31/12/17
Project: Research