The role of vacancies and local distortions in the design of new phase-change materials M Wuttig, D Lüsebrink, D Wamwangi, W Wełnic, M Gilleßen, ...
Nature materials 6 (2), 122-128, 2007
473 2007 Investigation of SnSe, KM Chung, D Wamwangi, M Woda, M Wuttig, W Bensch
Journal of applied physics 103 (8), 083523, 2008
190 2008 Mechanical stresses upon crystallization in phase change materials TPL Pedersen, J Kalb, WK Njoroge, D Wamwangi, M Wuttig, F Spaepen
Applied physics letters 79 (22), 3597-3599, 2001
183 2001 Influence of Bi doping upon the phase change characteristics of K Wang, D Wamwangi, S Ziegler, C Steimer, M Wuttig
Journal of applied physics 96 (10), 5557-5562, 2004
120 2004 Crystallization kinetics of Ge4Sb1Te5 films D Wamwangi, WK Njoroge, M Wuttig
Thin solid films 408 (1-2), 310-315, 2002
96 2002 Identification of Te alloys with suitable phase change characteristics R Detemple, D Wamwangi, M Wuttig, G Bihlmayer
Applied physics letters 83 (13), 2572-2574, 2003
87 2003 Effect of indium doping on Ge2Sb2Te5 thin films for phase-change optical storage K Wang, C Steimer, D Wamwangi, S Ziegler, M Wuttig
Applied Physics A 80 (8), 1611-1616, 2005
82 2005 Structural transformation of MJ Kang, SY Choi, D Wamwangi, K Wang, C Steimer, M Wuttig
Journal of applied physics 98 (1), 014904, 2005
69 2005 Influence of doping upon the phase change characteristics of Ge2Sb2Te5 K Wang, C Steimer, D Wamwangi, S Ziegler, M Wuttig, J Tomforde, ...
Microsystem technologies 13 (2), 203-206, 2007
51 2007 Perovskite solar cells: The new epoch in photovoltaics SA Olaleru, JK Kirui, D Wamwangi, KT Roro, B Mwakikunga
Solar Energy 196, 295-309, 2020
38 2020 Improved efficiency of organic solar cells using Au NPs incorporated into PEDOT: PSS buffer layer F Otieno, NP Shumbula, M Airo, M Mbuso, N Moloto, RM Erasmus, ...
AIP Advances 7 (8), 085302, 2017
33 2017 Assessment of Se based phase change alloy as a candidate for non-volatile electronic memory applications K Wang, C Steimer, R Detemple, D Wamwangi, M Wuttig
Applied Physics A 81 (8), 1601-1605, 2005
30 2005 Phase change characteristics of aluminum doped Ge2Sb2Te5 prepared by magnetron sputtering K Wang, D Wamwangi, S Ziegler, C Steimer, MJ Kang, SY Choi, M Wuttig
Phys. Status Solidi A 201, 3087-3095, 2004
30 2004 Ion beam modification of the structure and properties of hexagonal boron nitride: An infrared and X-ray diffraction study E Aradi, SR Naidoo, DG Billing, D Wamwangi, I Motochi, TE Derry
Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2014
28 2014 Electrical properties and crystallization behavior of Sb x Se100− x thin films MJ Kang, TJ Park, D Wamwangi, K Wang, C Steimer, SY Choi, M Wuttig
Microsystem technologies 13 (2), 153-159, 2007
28 2007 Generation of radical species in CVD grown pristine and N-doped solid carbon spheres using H 2 and Ar as carrier gases BK Mutuma, BJ Matsoso, K Ranganathan, JM Keartland, D Wamwangi, ...
RSC advances 7 (34), 21187-21195, 2017
24 2017 Hollow carbon spheres and a hollow carbon sphere/polyvinylpyrrolidone composite as ammonia sensors BK Mutuma, R Rodrigues, K Ranganathan, B Matsoso, D Wamwangi, ...
Journal of Materials Chemistry A 5 (6), 2539-2549, 2017
23 2017 The new Heavy Ion ERDA set up at iThemba LABS Gauteng: Multilayer thin film depth profiling using direct calculation and Monte Carlo simulation codes M Msimanga, D Wamwangi, CM Comrie, CA Pineda-Vargas, M Nkosi, ...
Nuclear Instruments and Methods in Physics Research Section B: Beam …, 2013
21 2013 Enhancement of organic photovoltaic device performance via P3HT: PCBM solution heat treatment F Otieno, BK Mutuma, M Airo, K Ranganathan, R Erasmus, N Coville, ...
Thin Solid Films 625, 62-69, 2017
20 2017 Nature Mater. 6, 122 (2007) M Wuttig, D Lüsebrink, D Wamwangi, W Welnic, M Gillessen, ...
20 