ELECTRON-PHONON RELAXATION DYNAMICS OF NIOBIUM METAL AS A FUNCTION OF TEMPERATURE

被引：27

作者：

MIHAILIDI, M

XING, QR

YOO, KM

ALFANO, RR

机构：

[1] CUNY CITY COLL,INST ULTRAFAST SPECT & LASERS,DEPT ELECT ENGN,NEW YORK,NY 10031

[2] CUNY,GRAD CTR,NEW YORK,NY 10031

来源：

PHYSICAL REVIEW B | 1994年 / 49卷 / 05期

关键词：

D O I：

10.1103/PhysRevB.49.3207

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electron-phonon relaxation process in niobium has been measured with pump-probe technique and compared with theory for ambient (initial) temperatures ranging from 292 to 7 K. The time it takes for the electrons to thermalize with phonons was found to decrease from 370 fs at 292 K to 250 fs at 7 K, while the electron-phonon coupling parameter g decreases with decreasing temperature.

引用

页码：3207 / 3212

页数：6

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