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Angular dependence of the magnetic susceptibility in the itinerant metamagnet Sr3Ru2O7

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Citation

Grigera, S. A., Borzi, R. A., Mackenzie, A. P., Julian, S. R., Perry, R. S., & Maeno, Y. (2003). Angular dependence of the magnetic susceptibility in the itinerant metamagnet Sr3Ru2O7. Physical Review B, 67(21): 214427, pp. 1-8. doi:10.1103/PhysRevB.67.214427.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0018-EFF4-6
Abstract
We report the results of a study of the differential magnetic susceptibility of Sr3Ru2O7 as a function of temperature and magnetic fields applied at a series of angles to the ab plane. By analyzing the real and imaginary parts of the susceptibility, we conclude that the field angle acts as a continuous tuning parameter for the critical end point to a line of first-order metamagnetic phase transitions. The end point sits at approximate to1.25 K for fields applied in the ab plane, and is depressed to below 50 mK when the field is aligned within 10degrees of the c axis.