EP1469528-A2  HESS R R ET AL: "LATTICE TILT AND RELAXATION IN INGAP/GAAS-GE SOLAR CELLS ON MISCUT SUBSTRATES" JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, vol. 32, no. 10A, 21 May 1999 (1999-05-21), pages A16-A20, XP000898489 ISSN: 0022-3727;  KING R R ET AL: "High-efficiency space and terrestrial multijunction solar cells through bandgap control in cell structures" CONFERENCE RECORD OF THE 29TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE 20020519; 20020519 - 20020524 NEW YORK, NY : IEEE, US, vol. CONF. 29, 19 May 2002 (2002-05-19), pages 776-781, XP010666348 ISBN: 978-0-7803-7471-3EP1469528-A3  HESS R R ET AL: "LATTICE TILT AND RELAXATION IN INGAP/GAAS-GE SOLAR CELLS ON MISCUT SUBSTRATES", JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, vol. 32, no. 10A, 21 May 1999 (1999-05-21), pages A16 - A20, XP000898489, ISSN: 0022-3727;  KING R R ET AL: "High-efficiency space and terrestrial multijunction solar cells through bandgap control in cell structures", CONFERENCE RECORD OF THE 29TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE 20020519; 20020519 - 20020524 NEW YORK, NY : IEEE, US, vol. CONF. 29, 19 May 2002 (2002-05-19), pages 776 - 781, XP010666348, ISBN: 978-0-7803-7471-3;  HESS R R ET AL: "LATTICE TILT AND RELAXATION IN INGAP/GAAS-GE SOLAR CELLS ON MISCUT SUBSTRATES", JOURNAL OF PHYSICS D. APPLIED PHYSICS, IOP PUBLISHING, BRISTOL, GB, vol. 32, no. 10A, 21 May 1999 (1999-05-21), pages A16 - A20, XP000898489, ISSN: 0022-3727,relevantClaims[1,6],relevantPassages[&lt;pp&gt;A16&lt;/pp&gt;&lt;column&gt;LEFT&lt;/column&gt;&lt;para&gt;2,3&lt;/para&gt;|section 7|&lt;figure&gt;4,6&lt;/figure&gt;];  KING R R ET AL: "High-efficiency space and terrestrial multijunction solar cells through bandgap control in cell structures", CONFERENCE RECORD OF THE 29TH IEEE PHOTOVOLTAIC SPECIALISTS CONFERENCE 20020519; 20020519 - 20020524 NEW YORK, NY : IEEE, US, vol. CONF. 29, 19 May 2002 (2002-05-19), pages 776 - 781, XP010666348, ISBN: 978-0-7803-7471-3,relevantClaims[1,6,7],relevantPassages[&lt;pp&gt;777&lt;/pp&gt;&lt;column&gt;LEFT&lt;/column&gt;|&lt;figure&gt;2&lt;/figure&gt;]US7812249-B2  King, R.R. et al, "Next-Generation, High-Efficeincy III-V Multijunction Solar Cells" Conf. Rec. 28th PV Spec. Conf., 998-1001. (2000).;  Yamaguchi, M. "Physics and technologies of superhigh-efficiency tandem solar cells". Semiconductors. 33(9), 961-964. (1999).;  H. Henzler et al, "2.3.2.1.2 Group IV Semiconductors", in Landolt-Bomstein_Group III Condensed Matter, vol. 24a, pp. 278-283. (1993).;  A.A. Baski et al, "The structure of silicon surfaces from (001) to (111)", Surf. Sci., 392, 69-85. (1997).;  T. Suzuki, A. Gomyo. and Sumio Iijima, "Sublattice Ordering in GaInP and AlGaInP: Effects of Substrate Orientation," J. Crystal Growth 99 (1990), pp. 60-67.;  S. R. Kurtz, J. M. Olson, D. J. Arent, A. E. Kibbler, and K. A. Bertness, "Competing Kinetic and Thermodynamic Processes in the Growth and Ordering of Ga0.5In0.5P," Mat. Res. Soc. Symp. Proc., vol. 312, Materiels Research Society, Warrendale, PA (1993).;  Stringfellow, G.B., MRS Bulletin, Jul. 1997, pp. 27-32.