Single Domain Switching Investigated Using Telegraph Noise Spectroscopy: Possible Evidence for Macroscopic Quantum Tunneling | Zendy

F. Coppinger | Zendy; Jan Genoe | Zendy; D. K. Maude | Zendy; U. Gennser | Zendy; J. C. Portal | Zendy; K.E. Singer | Zendy; P. Rutter | Zendy; T. Taskin | Zendy; А. R. Peaker | Zendy; Andrew Wright | Zendy

Open Access

Single Domain Switching Investigated Using Telegraph Noise Spectroscopy: Possible Evidence for Macroscopic Quantum Tunneling

Author(s) -

F. Coppinger,

Jan Genoe,

D. K. Maude,

U. Gennser,

J. C. Portal,

K.E. Singer,

P. Rutter,

T. Taskin,

А. R. Peaker,

Andrew Wright

Publication year - 1995

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.75.3513

Subject(s) - quantum tunnelling , condensed matter physics , molecular beam epitaxy , materials science , magnetoresistance , noise (video) , magnetization , spectroscopy , magnetic moment , physics , epitaxy , magnetic field , nanotechnology , quantum mechanics , layer (electronics) , artificial intelligence , computer science , image (mathematics)

Telegraph noise, i.e., two-level fluctuations (TLF), in the magnetoresistance of Er-doped GaAs has been used to probe the magnetic moment of the small ErAs clusters formed during the molecular beam epitaxy growth process. At high temperatures the TLF are thermally activated but below 350 mK tunneling of the magnetization dominates.status: publishe

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