Set Voltage Statistics in Unipolar HfO2-Based RRAM

1 Lab of Nanofabrication and Novel Devices Integration, Institute of Microelectronics, Chinese Academy of Sciences, No. 3, BeiTuCheng West Road, Beijing 100029, China. Phone: +86-10-82995578 E-mail: liuming@ime.ac.cn 2 Departament d’Enginyeria Electrònica, Universitat Autònoma de Barcelona, Bellaterra 08193, Spain. * jordi.sune@uab.es 3 CEA, LETI, MINATEC Campus, 17 rue des Martyrs, F-38054 Grenoble Cedex 9, France