F⁺ CENTRES IN WURTZITE LATTICES I: THE EFFECTS OF HOST LATTICE COVALENCE.HARKER AH.1976; J. PHYS. C; G.B.; DA. 1976; VOL. 9; NO 17; PP. 3141-3151; BIBL. 27 REF.Article

THE EFFECT OF CHOICE OF BASIS SET IN MOLECULAR PSEUDOPOTENTIAL CALCULATIONS.HARKER AH.1976; MOLEC. PHYS.; G.B.; DA. 1976; VOL. 32; NO 2; PP. 583-586; BIBL. 6 REF.Article

ORTHOGONALIZATION PROCEDURES IN THE THEORY OF COLOUR CENTRE HYPERFINE INTERACTIONS.HARKER AH.1974; J. PHYS. C; G.B.; DA. 1974; VOL. 7; NO 18; PP. 3224-3238; BIBL. 21 REF.Article

A LARGE UNIT CELL SEMIEMPIRICAL MOLECULAR ORBITAL APPROACH TO THE PROPERTIES OF SOLIDS. I: GENERAL THEORYHARKER AH; LARKINS FP.1979; J. PHYS. C; GBR; DA. 1979; VOL. 12; NO 13; PP. 2487-2495; BIBL. 31 REF.Article

THEORY OF F_A-CENTER OPTICAL ABSORPTION IN ALKALI HALIDES: SYMMETRY-ADAPTED WAVE FUNCTIONSVAIL JM; HARKER AH.1979; PHYS. REV., B; USA; DA. 1979; VOL. 20; NO 6; PP. 2506-2511; BIBL. 11 REF.Article

A THEORETICAL STUDY OF F CENTRES IN BACLF AND SRCLF.LEFRANT S; HARKER AH.1976; SOLID STATE COMMUNIC.; G.B.; DA. 1976; VOL. 19; NO 9; PP. 853-856; BIBL. 10 REF.Article

A LARGE UNIT CELL SEMIEMPIRICAL MOLECULAR ORBITAL APPROACH TO THE PROPERTIES OF SOLIDS. II: COVALENT MATERIALS: DIAMOND AND SILICONHARKER AH; LARKINS FP.1979; J. PHYS. C; GBR; DA. 1979; VOL. 12; NO 13; PP. 2497-2508; BIBL. 20 REF.Article

SELF-CONSISTENT CALCULATIONS FOR SHALLOW DEFECTS IN SEMICONDUCTORS. II. DONOR-ACCEPTOR PAIRS.STONEHAM AM; HARKER AH.1975; J. PHYS. C; G.B.; DA. 1975; VOL. 8; NO 8; PP. 1109-1118; BIBL. 19 REF.Article

NATURE AND DIFFUSION OF THE SELF-INTERSTITIAL IN SILICONMASRI P; HARKER AH; STONEHAM AM et al.1983; JOURNAL OF PHYSICS. C. SOLID STATE PHYSICS; ISSN 0022-3719; GBR; DA. 1983; VOL. 16; NO 18; PP. L613-L616; BIBL. 13 REF.Article

ELECTRONIC STRUCTURE OF THE SELF-TRAPPED EXCITON IN ALKALI FLUORIDES AND CHLORIDES.SONG KS; STONEHAM AM; HARKER AH et al.1975; J. PHYS. C; G.B.; DA. 1975; VOL. 8; NO 8; PP. 1125-1135; BIBL. 18 REF.Article

AB INITIO STUDIES OF NON-BONDED HYDROCARBON POTENTIALS.CATLOW CRA; HARKER AH; HAYNS MR et al.1975; J. CHEM. SOC., FARADAY TRANS., 2; G.B.; DA. 1975; VOL. 71; NO 2; PP. 275-285; BIBL. 33 REF.Article

LIGAND POLARISATION AND TRANSFERRED HYPERFINE INTERACTIONSADAM CD; HARKER AH; OWEN J et al.1979; J. PHYS. C; GBR; DA. 1979; VOL. 12; NO 6; PP. L239-L241; BIBL. 9 REF.Article

ELECTRONIC STRUCTURE OF THE SELF-TRAPPED EXCITON, IN THE POTASSIUM HALIDES.HARKER AH; LYON SB; WASIELA A et al.1977; SOLID STATE COMMUNIC.; G.B.; DA. 1977; VOL. 21; NO 11; PP. 1053-1055; BIBL. 11 REF.Article