@article{CTT100609382, author = {A. Tsukazaki and A. Ohtomo and D. Chiba and Y. Ohno and H. Ohno and M. Kawasaki}, title = {Low-temperature field-effect and magnetotransport properties in a ZnO based heterostructure with atomic-layer-deposited gate dielectric}, journal = {Applied Physics Letters}, year = 2008, }