|Title:||Effect of thermal inhomogeneity for terahertz radiation from intrinsic Josephson junction stacks of BiSrCaCuO+δ|
|Authors:||Kakeya, Itsuhiro |
|Journal title:||Applied Physics Letters|
|Abstract:||Terahertz radiation from the mesa structures of BiSrCaCuO+ δ is detected in samples with thin electrodes <100 nm. In samples with thick electrodes≃400 nm, neither radiations nor voltage jumps in current-voltage characteristics are detected. This suggests that the thin electrode helps excite the Josephsonplasma oscillation as a result of the poor heat flow through the electrode. The shielding effect by the electrode is not essential. We consider that the local temperature rise is the origin of the synchronization of the phase kink for terahertz radiation.|
|Rights:||© 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.|
|Appears in Collections:||Journal Articles|
Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.