Room-temperature spin coherence in ZnO | Zendy

Sayantani Ghosh | Zendy; Vanessa Sih | Zendy; Wayne H. Lau | Zendy; D. D. Awschalom | Zendy; Seung Yong Bae | Zendy; Sihong Wang | Zendy; Shefali Vaidya | Zendy; George Chapline | Zendy

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Room-temperature spin coherence in ZnO

Author(s) -

Sayantani Ghosh,

Vanessa Sih,

Wayne H. Lau,

D. D. Awschalom,

Seung Yong Bae,

Sihong Wang,

Shefali Vaidya,

George Chapline

Publication year - 2005

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.1946204

Subject(s) - condensed matter physics , pulsed laser deposition , materials science , coherence (philosophical gambling strategy) , spin (aerodynamics) , coherence time , spin polarization , magnetic field , electron , thin film , laser , physics , nanotechnology , optics , thermodynamics , quantum mechanics

Time-resolved optical techniques are used to explore electron spin dynamicsin bulk and epilayer samples of n-type ZnO as a function of temperature andmagnetic field. The bulk sample yields a spin coherence time T2* of 20 ns at T= 30 K. Epilayer samples, grown by pulsed laser deposition, show a maximum T2*of 2 ns at T = 10 K, with spin precession persisting up to T = 280 K.Comment: 3 pages, 3 figure

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