Microwave response of thin niobium films under perpendicular static magnetic fields

Nanostructured FePt:B2O3 thin films with perpendicular magnetic anisotropy

Linear response of thin superconductors in perpendicular magnetic fields: An asymptotic analysis.

The linear response of a thin superconducting strip subjected to an applied perpendicular time-dependent magnetic field is treated analytically using the method of matched asymptotic expansions. The calculation of the induced current density is divided into two parts: an “outer” problem, in the middle of the strip, which can be solved using conformal mapping; and an “inner” problem near each of...

On the microwave response of thin superconducting films with trapped magnetic flux

Basing on the phenomenological model of the microwave response of thin superconducting films with trapped magnetic flux elaborated in Luzhbin et al 2005 Supercond. Sci. Technol. 18 1112-7, detailed analysis of the ac linear response of a superconducting strip-line resonator cooled down in FC and ZFC regimes is presented. Special emphasis on a nonuniform distribution of the trapped vortices and ...

Spin–orbit torque-assisted switching in magnetic insulator thin films with perpendicular magnetic anisotropy

As an in-plane charge current flows in a heavy metal film with spin-orbit coupling, it produces a torque on and thereby switches the magnetization in a neighbouring ferromagnetic metal film. Such spin-orbit torque (SOT)-induced switching has been studied extensively in recent years and has shown higher efficiency than switching using conventional spin-transfer torque. Here we report the SOT-ass...

Magnetic-field-induced anomalous microwave response in superconducting YBa2Cu3O7Àd thin films

The magnetic-field-induced decrease of microwave surface impedance, Zs5Rs1 jXs , of superconducting YBa2Cu3O72d thin films is investigated using a microstrip resonator technique. Through measuring Zs as the direct current ~dc! magnetic field is increased from zero to a certain value Hmax and subsequently decreased back to zero, it is found that Zs(Hdc) is totally reversible if Hmax does not exc...