Observations of wall conditioning by means of boron powder injection in DIII-D H-mode plasmas

Observations of wall conditioning by means of boron powder injection in DIII-D H-mode plasmas, Bortolon, A., Maingi, R., Nagy, A., Ren, J., Duran, J.D., Maan, A., Donovan, D.C., Boedo, J.A., Rudakov, D.L., Hyatt, A.W., Wilks, T.W., Shafer, M.W., Samuell, C.M., Fenstermacher, M.E., Gilson, E.P., Lunsford, R., Mansfield, D.K., Abrams, T., Nazikian, R.