X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions

Ebke D, Kugler Z, Thomas P, Schebaum O, Schäfers M, Nissen D, Schmalhorst J-M, Hütten A, Arenholz E, Thomas A (2010)
IEEE TRANSACTIONS ON MAGNETICS 46(6): 1925-1928.

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Abstract
The bulk magnetic moment and the element specific magnetic moment of Co-2 FeAl thin films were examined as a function of annealing temperature by alternating gradient magnetometer (AGM) and X-ray absorption spectroscopy (XAS)/X-ray magnetic circular dichroism (XMCD), respectively. A high magnetic moment can be achieved for all annealing temperatures and the predicted bulk and interface magnetic moment of about 5 mu(B) are reached via heating. We will also present tunnel magnetoresistance (TMR) values of up to 153% at room temperature and 260% at 13 K for MgO based magnetic tunnel junctions (MTJs) with Co-2 FeAl and Co-Fe electrodes.
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Ebke D, Kugler Z, Thomas P, et al. X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions. IEEE TRANSACTIONS ON MAGNETICS. 2010;46(6):1925-1928.
Ebke, D., Kugler, Z., Thomas, P., Schebaum, O., Schäfers, M., Nissen, D., Schmalhorst, J. - M., et al. (2010). X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions. IEEE TRANSACTIONS ON MAGNETICS, 46(6), 1925-1928.
Ebke, D., Kugler, Z., Thomas, P., Schebaum, O., Schäfers, M., Nissen, D., Schmalhorst, J. - M., Hütten, A., Arenholz, E., and Thomas, A. (2010). X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions. IEEE TRANSACTIONS ON MAGNETICS 46, 1925-1928.
Ebke, D., et al., 2010. X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions. IEEE TRANSACTIONS ON MAGNETICS, 46(6), p 1925-1928.
D. Ebke, et al., “X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions”, IEEE TRANSACTIONS ON MAGNETICS, vol. 46, 2010, pp. 1925-1928.
Ebke, D., Kugler, Z., Thomas, P., Schebaum, O., Schäfers, M., Nissen, D., Schmalhorst, J.-M., Hütten, A., Arenholz, E., Thomas, A.: X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions. IEEE TRANSACTIONS ON MAGNETICS. 46, 1925-1928 (2010).
Ebke, Daniel, Kugler, Zoe, Thomas, Patrick, Schebaum, Oliver, Schäfers, Markus, Nissen, Dennis, Schmalhorst, Jan-Michael, Hütten, Andreas, Arenholz, Elke, and Thomas, Andy. “X-Ray Absorption and Magnetic Circular Dichroism Studies of Co-2 FeAl in Magnetic Tunnel Junctions”. IEEE TRANSACTIONS ON MAGNETICS 46.6 (2010): 1925-1928.
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