Ivan Vorotiahin 1, 2, Eugene Eliseev 3, Qian Li 4, Sergei Kalinin 4, Yuri Genenko 1, Anna Morozovska 2
1 Institut für Materialwissenschaft, Technische Universität Darmstadt, Darmstadt, Germany, 2 Institute of Physics, National Academy of Sciences of Ukraine, Kyiv, Ukraine, 3 Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kyiv, Ukraine, 4 The Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, United States