2 0 O ct 2 01 2 Effects of transition metal substitutions on the incommensurability and spin fluctuations in BaFe 2 As 2 by elastic and inelastic neutron scattering

M. G. Kim, J. Lamsal, 1,2 T. W. Heitmann, 3 G. S. Tucker, 1,2 D. K. Pratt, S. N. Khan, 1,4 Y. B. Lee, A. Alam, A. Thaler, N. Ni, S. Ran, 1,2 S. L. Bud’ko, K. J. Marty, M. D. Lumsden, 5 P. C. Canfield, 1,2 B. N. Harmon, 1,2 D. D. Johnson, 1,6 A. Kreyssig, R. J. McQueeney, 1,2 A. I. Goldman Ames Laboratory, U.S. DOE, Iowa State University, Ames, IA 50011, USA Department of Physics and Astronomy, Iowa State University, Ames, IA 50011, USA The Missouri Research Reactor, University of Missouri, Columbia, MO 65211, USA Department of Physics, University of Illinois, Urbana, IL 61801, USA Quantum Condensed Matter Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA and Department of Materials Science & Engineering, Iowa State University, Ames, IA 50011, USA (Dated: April 27, 2019)