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pro vyhledávání: '"Pratt JR"'
Autor:
Aguilar, Victor, Korucu, Demet, Glick, Joseph A., Loloee, Reza, Pratt Jr., W. P., Birge, Norman O.
Publikováno v:
Phys. Rev. B 102, 024518 (2020)
Josephson junctions containing three ferromagnetic layers with non-collinear magnetizations between adjacent layers carry spin-triplet supercurrent under certain conditions. The signature of the spin-triplet supercurrent is a relatively slow decay of
Externí odkaz:
http://arxiv.org/abs/2005.06657
Akademický článek
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Autor:
Glick, Joseph A., Aguilar, Victor, Gougam, Adel B., Niedzielski, Bethany M., Gingrich, E. C., Loloee, Reza, Pratt, Jr., W. P., Birge, Norman O.
Publikováno v:
Science Advances 4, eaat9457 (2018)
It is now well established that a Josephson junction made from conventional spin-singlet superconductors containing ferromagnetic layers can carry spin-triplet supercurrent under certain conditions. The first experimental signature of that fact is th
Externí odkaz:
http://arxiv.org/abs/1804.00707
Autor:
Glick, Joseph A., Edwards, Samuel, Korucu, Demet, Aguilar, Victor, Niedzielski, Bethany M., Loloee, Reza, Pratt, Jr., W. P., Birge, Norman O., Kotula, P. G., Missert, N.
Publikováno v:
Phys. Rev. B 96, 224515 (2017)
We present measurements of Josephson junctions containing three magnetic layers with noncolinear magnetizations. The junctions are of the form $S/F^{\prime}/N/F/N/F^{\prime \prime}/S$, where $S$ is superconducting Nb, $F^\prime$ is either a thin Ni o
Externí odkaz:
http://arxiv.org/abs/1710.07247
Autor:
Niedzielski, Bethany M., Bertus, T. J., Glick, Joseph A., Loloee, R., Pratt, Jr., W. P., Birge, Norman O.
Publikováno v:
Phys. Rev. B 97, 024517 (2018)
Josephson junctions containing two ferromagnetic layers are being considered for use in cryogenic memory. Our group recently demonstrated that the ground-state phase difference across such a junction with carefully chosen layer thicknesses could be c
Externí odkaz:
http://arxiv.org/abs/1709.04815
Publikováno v:
IEEE Trans. Appl. Supercond. 27, 4, (2017)
Josephson junctions with ferromagnetic layers are vital elements in a new class of cryogenic memory devices. One style of memory device contains a spin valve with one "hard" magnetic layer and one "soft" layer. To achieve low switching fields, it is
Externí odkaz:
http://arxiv.org/abs/1609.01330
Autor:
Glick, Joseph A., Khasawneh, Mazin A., Niedzielski, Bethany M., Gingrich, E. C., Kotula, P. G., Missert, N., Loloee, Reza, Pratt Jr., W. P., Birge, Norman O.
Publikováno v:
J. App. Phys. 122, 133906 (2017)
Josephson junctions containing ferromagnetic layers are of considerable interest for the development of practical cryogenic memory and superconducting qubits. Such junctions exhibit a phase shift of $\pi$ for certain ranges of ferromagnetic layer thi
Externí odkaz:
http://arxiv.org/abs/1608.08998
Publikováno v:
Phys. Rev. Lett. 116, 077001 (2016)
Josephson junctions made with conventional s-wave superconductors and containing multiple layers of ferromagnetic materials can carry spin-triplet supercurrent in the presence of certain types of magnetic inhomogeneity. In junctions containing three
Externí odkaz:
http://arxiv.org/abs/1510.02144
Autor:
Gingrich, E. C., Niedzielski, Bethany M., Glick, Joseph A., Wang, Yixing, Miller, D. L., Pratt Jr., Reza Loloee. W. P., Birge, Norman O.
Publikováno v:
Nature Physics 12, 564 (2016)
Superconductivity and ferromagnetism are antagonistic forms of order, and rarely coexist. Many interesting new phenomena occur, however, in hybrid superconducting/ferromagnetic systems. For example, a Josephson junction containing a ferromagnetic mat
Externí odkaz:
http://arxiv.org/abs/1509.05368