S. T. Wang, Y. J. Yang*, L. P. He, W. Y. Li, Y. Jiang, C. Wang, L. Li, C. Wei, Y. C. Sun, W. F. Ge, C. Jia, H. Zhang, L. Wang*, Angular magnetic-field-dependent tunneling magnetoresistance controlled by electric fields in an MTJ/PMN-PT multiferroic heterostructure