Contains the keyword magnetic penetration depth

Lippman TM, Kalisky B, Kim H, Tanatar MA, Bud'ko SL, Canfield PC, et al. Agreement between local and global measurements of the London penetration depth. Physica C. 2012;483:91-3. Abstract

Kim H, Martin C, Tillman ME, Kim SK, Bud'ko SL, Canfield PC, et al. London penetration depth in single crystals of F- and Co-doped RFeAsO (R = La, Nd) superconductors. Physica C. 2010;470:S363-S364. Abstract