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In MgO/CoFeB/MgO/Ta (single layer) and MgO/CoFeB/Ta/CoFeB/MgO/Ta spin valve (bilayer), the orientation dependences of ferromagnetic resonance (FMR) have been analyzed. Magnetic anisotropy constants as well as damping constants have been extracted. The differences between the anisotropy constants in single-layer film and spin valve MgO/CoFeB/Ta/CoFeB/MgO/Ta are explained by dipole magnetic interaction...