Ideal two-dimensional electron systems with a giant rashba-type spin splitting in real materials: surfaces of bismuth tellurohalides / S. V. Eremeev, I. A. Nechaev, Y. M. Koroteev [et.al.] // Physical Review Letters. 2012. Vol. 108, № 24. P. 246802-1-246802-5. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000431618