Institution: | 1. VBL of Akita University, Gakuen Machi 1-1, Tegata, Akita 010-8502, Japan;2. Key Laboratory for Magnetism and Magnetic Materials of the Ministry of Education, Lanzhou University, Lanzhou 730000, People''s Republic of China;3. Akita Research Institute of Advanced Technology (AIT), 4-21 Sanuki, Araya, Akita 010-1623, Japan |