Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Schuhmann, Henning"'
Autor:
Schuhmann, Henning
Tunnelmagnetowiderstandselemente (MTJ) mit einer kristallinen MgO Tunnelbarriere zwischen amorphen CoFeB-Elektroden haben Aufgrund ihres hohen Tunnelmagnetowiderstandes (TMR) und der guten Integrationsmöglichkeit in bestehende Prozesse viel Aufmerks
Externí odkaz:
http://hdl.handle.net/11858/00-1735-0000-0023-9929-2
Autor:
Leutenantsmeyer, Johannes Christian, Zbarsky, Vladyslav, Wittrock, Steffen, Walter, Marvin, Peretzki, Patrick, Schuhmann, Henning, Thomas, Andy, Rott, Karsten, Reiss, Guenter, Kim, Tae Hee, Seibt, Michael, Muenzenberg, Markus
The influence of the tantalum buffer layer on the magnetic anisotropy of perpendicular Co-Fe-B/MgO based magnetic tunnel junctions is studied using magneto-optical Kerr-spectroscopy. Samples without a tantalum buffer are found to exhibit no perpendic
Externí odkaz:
http://arxiv.org/abs/1405.4172
Autor:
Schuhmann, Henning, Seibt, Michael, Drewello, Volker, Thomas, Andy, Zbarsky, Vladyslav, Walter, Marvin, Münzenberg, Markus
Magnetic tunnel junctions with crystalline MgO tunnel barrier and amorphous CoFeB electrodes received much attention due to their high tunnel magneto resistance ratio at room temperature. One important parameter for achieving high tunnel magneto resi
Externí odkaz:
http://arxiv.org/abs/1405.1907
Autor:
Leutenantsmeyer, Johannes Christian, Walter, Marvin, Wittrock, Steffen, Peretzki, Patrick, Schuhmann, Henning, Seibt, Michael, Münzenberg, Markus
We demonstrate the reduction of critical spin-transfer torque (STT) switching currents in Co-Fe-B/MgO based magnetic tunnel junctions (MTJ) with perpendicular magnetization anisotropy (PMA). The junctions yield tunnel magnetoresistance (TMR) ratios o
Externí odkaz:
http://arxiv.org/abs/1309.3397
Autor:
Leutenantsmeyer, Johannes Christian, Walter, Marvin, Zbarsky, Vladyslav, Münzenberg, Markus, Gareev, Rashid, Rott, Karsten, Thomas, Andy, Reiss, Günter, Peretzki, Patrick, Schuhmann, Henning, Seibt, Michael, Czerner, Michael, Heiliger, Christian
Publikováno v:
SPIN 03, 1350002 (2013)
Thermal spin-transfer torque describes the manipulation of the magnetization by the application of a heat flow. The effect has been calculated theoretically by Jia et al. in 2011. It is found to require large temperature gradients in the order of Kel
Externí odkaz:
http://arxiv.org/abs/1301.2042
Tunnel magnetoresistance in alumina, magnesia and composite tunnel barrier magnetic tunnel junctions
Autor:
Schebaum, Oliver, Drewello, Volker, Auge, Alexander, Reiss, Günter, Münzenberg, Markus, Schuhmann, Henning, Seibt, Michael, Thomas, Andy
Using magnetron sputtering, we have prepared Co-Fe-B/tunnel barrier/Co-Fe-B magnetic tunnel junctions with tunnel barriers consisting of alumina, magnesia, and magnesia-alumina bilayer systems. The highest tunnel magnetoresistance ratios we found wer
Externí odkaz:
http://arxiv.org/abs/1008.0761
Tunnel magnetoresistance in alumina, magnesia and composite tunnel barrier magnetic tunnel junctions
Autor:
Schebaum, Oliver, Drewello, Volker, Auge, Alexander, Reiss, Günter, Münzenberg, Markus, Schuhmann, Henning, Seibt, Michael, Thomas, Andy
Publikováno v:
In Journal of Magnetism and Magnetic Materials 2011 323(11):1525-1528
Publikováno v:
Journal of Applied Physics; Aug2008, Vol. 104 Issue 4, p043701, 5p, 5 Diagrams, 4 Graphs
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