515 ©2020 † fuseya 4 uec.ac.jp 1. 1, 2 2. 74 52 1 1 2 Y X 2 Y X 1 1 2 3. 4 *1 � † � *1 3 516 Vol. 75, No. 8, 2020 ©2020 *2 *3 1 1. M2 B4 2. 90 3. 4. 5. I 164 10 12 4. 1 A4 10 20 5. SNS 1 1994 2 2020 2 3 1981 4 J-Physics News Letter 5, 2 2018 2020 2 12 1 � *2 M1 B4 Beer Galvanomagnetic Effects in Semiconductors J. J. *3 20 4 5