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7 papers · 2 filters
Towards wafer scale inductive characterization of spin transfer torque critical current density of magnetic tunnel junction stacks
Sibylle Sievers, Niklas Liebing, Santiago Serrano-Guisan +12
We explore the prospects of wafer scale inductive probing of the critical current density for spin transfer torque switching of a CoFeB/MgO/CoFeB magnetic tunnel junction…
Rectification of radio frequency current in giant magnetoresistance spin valve
Sławomir Ziętek, Piotr Ogrodnik, Marek Frankowski +7
We report on a highly efficient spin diode effect in an exchange-biased spin-valve giant magnetoresistance (GMR) strips. In such multilayer structures, symmetry of the current dist…
Localization and magnetism of the resonant impurity states in Ti doped PbTe
Bartlomiej Wiendlocha
The problem of localization of the resonant impurity states is discussed for an illustrative example of Titanium doped Lead Telluride. Electronic structure of PbTe:Ti is studied us…
Effect of quenching medium on short-range order in Fe-rich Fe-Cr alloys
Stanislaw M. Dubiel, Jakub Cieslak, Jan Zukrowski
Effect of a quenching medium (water, liquid nitrogen and block of brass) on a short-range ordering in Fe(100-x)Cr(x) (x less than 19) alloys was studied with the Moessbauer spectro…
P-type doping of elemental bismuth with indium, gallium and tin: a novel doping mechanism in solids
Hyungyu Jin, Bartlomiej Wiendlocha, Joseph P. Heremans
A new doping mechanism is described, whereby a doping impurity does not simply transfer charge to the bands of a host semiconductor or semimetal, but rearranges the core energy lev…
Change of Cr atoms distribution in Fe85Cr15 alloy caused by 250 keV He+ ion irradiation to different doses
Stanislaw M. Dubiel, Jan Zukrowski
Redistribution of Cr atoms in a Fe85Cr15 alloy caused by its irradiation with 250 keV He ions to different doses viz. 5, 10 and 30 dpa was investigated by means of conversion elect…