Direct detection of multiple backward volume modes in yttrium iron garnet at micron scale wavelengths

Lim, Jinho; Bang, Wonbae; Trossman, Jonathan; Kreisel, Andreas; Jungfleisch, Matthias Benjamin; Hoffmann, Axel; Tsai, C. C.; Ketterson, John B.

doi:10.1103/PhysRevB.99.014435

Title: Direct detection of multiple backward volume modes in yttrium iron garnet at micron scale wavelengths

Journal Article · Mon Jan 28 00:00:00 EST 2019 · Physical Review B

DOI:https://doi.org/10.1103/PhysRevB.99.014435· OSTI ID:1503025

Lim, Jinho ^[1]; Bang, Wonbae ^[2]; Trossman, Jonathan ^[1]; Kreisel, Andreas ^[3]; Jungfleisch, Matthias Benjamin ^[4]; Hoffmann, Axel ^[5]; Tsai, C. C. ^[6]; Ketterson, John B. ^[1]

Northwestern Univ., Evanston, IL (United States)
Northwestern Univ., Evanston, IL (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Univ. Leipzig (Germany)
Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Delaware, Newark, DE (United States)
Argonne National Lab. (ANL), Argonne, IL (United States)
Chang Jung Christian Univ., Tainan (Taiwan)

Using a set of wave-vector-specific multielement antennas, we have characterized the dispersion of spin waves in an yttrium iron garnet film at submicron lengths and resolved the dispersion relations of multiple backward volume modes, particularly in the region of their minima The techniques developed now facilitate the characterization of spin waves at length scales limited only by available lithography and at a spectral resolution that generally exceeds that of Brillouin scattering. The data obtained are in excellent agreement with theoretical predictions based on a model Hamiltonian.

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Research Organization:: Argonne National Lab. (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES)

Grant/Contract Number:: AC02-06CH11357; SC0014424

OSTI ID:: 1503025

Alternate ID(s):: OSTI ID: 1492470

Journal Information:: Physical Review B, Vol. 99, Issue 1; ISSN 2469-9950

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 3 works

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References (20)

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