Time-resolved optical response in BSCCO-2212

Pierre Gay; Christopher J. Stevens; David C. Smith; John F. Ryan; Guang Yang; J. S. Abell

doi:10.1117/12.335912

22 December 1998 Time-resolved optical response in BSCCO-2212

Pierre Gay, Christopher J. Stevens, David C. Smith, John F. Ryan, Guang Yang, J. S. Abell

Proceedings Volume 3481, Superconducting and Related Oxides: Physics and Nanoengineering III; (1998) https://doi.org/10.1117/12.335912
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

The dynamics of the optical response of BSCCO-2212 measured at 1.5 eV has been investigated using femtosecond spectroscopy. The temperature dependence of the response shows three distinct regimes: (1) T less than T_c: with increasing temperature the differential reflectance, (Delta) R/R greater than 0, decreases to zero at T_c, similar to the behavior of the BCS gap function, and the relaxation rate increases linearly with temperature. (2) T_c less than T less than T* (T* - T_c approximately 35 K): (Delta) R/R less than 0. (3) T greater than T*: a weak, positive (Delta) R/R response is measured in the metallic phase. The intermediate regime observed here coincides with the pseudo gap phase detected in ARPES measurements.

Citation Download Citation

Pierre Gay, Christopher J. Stevens, David C. Smith, John F. Ryan, Guang Yang, and J. S. Abell "Time-resolved optical response in BSCCO-2212", Proc. SPIE 3481, Superconducting and Related Oxides: Physics and Nanoengineering III, (22 December 1998); https://doi.org/10.1117/12.335912

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available