Results 251 to 260 of about 70,115 (291)
Application of the MNA design method to a nonlinear turbofan engine
, 1981 G. G. Leininger
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Epitaxial MnAs/GaAs/MnAs trilayer magnetic heterostructures
Applied Physics Letters, 1999We have successfully grown MnAs/GaAs/MnAs ferromagnet/semiconductor trilayer heterostructures on GaAs(111)B substrates by molecular beam epitaxy. The epitaxial orientations of MnAs and GaAs are (0001) and (111), respectively, as expected. It was found that epitaxial monocrystalline GaAs can be grown on the As-rich (3×2)-(0001) MnAs surface.
M. Tanaka, K. Saito, T. Nishinaga
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Resonant tunneling magnetoresistance in MnAs∕III-V∕MnAs junctions
Physical Review B, 2005This paper investigates the magnetoresistance of micron-sized MnAs/GaAs(AlAs)/MnAs magnetic tunnel junctions. We measure an asymmetric bias dependence of the magnetoresistance in which the negative contribution is attributed to resonant tunneling through a midgap defect band.
Garcia, Vincent +5 more
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2023
Abstract This chapter explicates how the Massachusetts Nurses Association (MNA) used collective bargaining as a tool to strengthen rank-and-file leadership within their union and keep Greenfield’s strong labor tradition alive. It acknowledges Greenfield played a central role in the growth of American manufacturing during the early ...
Jane F. McAlevey, Abby Lawlor
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Abstract This chapter explicates how the Massachusetts Nurses Association (MNA) used collective bargaining as a tool to strengthen rank-and-file leadership within their union and keep Greenfield’s strong labor tradition alive. It acknowledges Greenfield played a central role in the growth of American manufacturing during the early ...
Jane F. McAlevey, Abby Lawlor
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Magnetotransport properties of MnAs/GaAs/MnAs ferromagnet/semiconductor trilayer heterostructures
Journal of Applied Physics, 2000We have succeeded in growing MnAs/GaAs/MnAs ferromagnet/semiconductor trilayer heterostructures on GaAs(111)B substrates by molecular-beam epitaxy. Double-step features were observed in magnetization characteristics due to the difference in coercive force between the top and bottom MnAs layers. Magnetoresistance (MR) curves in current-in-plane geometry
K. Takahashi, M. Tanaka
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Physica Status Solidi (a), 1973
The tensor of elastic constants of MnAs in the ferromagnetic and paramagnetic states is evaluated from bending vibrations of straight and helical MnAs whiskers. The isotropic compressibility, predicted by the Bean-Rodbell model to be 4.6 × 10−12 dyn−1 cm2 and the same in both phases, is found experimentally to be (4.3 ± 1.0) × 10−12 dyn−1 cm2 in the ...
M. Dörfler, K. Bärner
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The tensor of elastic constants of MnAs in the ferromagnetic and paramagnetic states is evaluated from bending vibrations of straight and helical MnAs whiskers. The isotropic compressibility, predicted by the Bean-Rodbell model to be 4.6 × 10−12 dyn−1 cm2 and the same in both phases, is found experimentally to be (4.3 ± 1.0) × 10−12 dyn−1 cm2 in the ...
M. Dörfler, K. Bärner
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Epitaxial growth and properties of MnAs/GaAs/MnAs trilayer heterostructures
Journal of Magnetism and Magnetic Materials, 1999Abstract We have grown MnAs/GaAs/MnAs ferromagnet/semiconductor trilayer heterostructures on GaAs (1 1 1)B substrates by molecular-beam epitaxy. Cross-sectional transmission electron microscopy showed that the trilayers are formed as intended with fairly abrupt and smooth interfaces.
M. Tanaka +3 more
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The American Journal of Nursing, 1956
WE recently wound up a new membership campaign here in Minnesota, and we have no doubts about what the results will be. We have done this before-and we increased our membership by 14 percent that time. Not only that: we were all equally gratified with the increased interest and enthusiasm for the total program of the district organizations, the ...
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WE recently wound up a new membership campaign here in Minnesota, and we have no doubts about what the results will be. We have done this before-and we increased our membership by 14 percent that time. Not only that: we were all equally gratified with the increased interest and enthusiasm for the total program of the district organizations, the ...
openaire +2 more sources