PHYSICAL REVIEW B

WALTER AL, BOSTWICK A, JEON KJ, SPECK F, OSTLER M, SEYLLER T, MORESCHINI L, CHANG YJ, POLINI M, ASGARI R, MACDONALD AH, HORN K, ROTENBERG E

APPLIED PHYSICS LETTERS

WALTER AL, JEON KJ, BOSTWICK A, SPECK F, OSTLER M, SEYLLER T, MORESCHINI L, KIM YS, CHANG YJ, HORN K, ROTENBERG E