Select Publications

Journal articles

Harker S; Cadogan JM; Stewart GA; Campbell SJ; Kennedy S; Edge AV, 1998, 'A structural & magnetic study of Nd(Fe, Ni)8.5Si2.5', Journal of Magnetism and Magnetic Materials, 183, pp. 101 - 110

Harker S; Cadogan JM; Stewart GA; Campbell SJ; Kennedy S; Edge AV, 1998, 'A Structural and Magnetic Study of Nd(Fe,Ni)8.5Si2.5', Journal of Magnetism and Magnetic Materials, 183, pp. 101 - 110

Stewart GA; Harker S; Pooke DM, 1998, 'Crystal-field interaction at the thulium site in TmBa2Cu4O8', Journal of Physics: Condensed Matter, 10, pp. 8269 - 8278

Hutchison WD; Harker S; St Quintin TD; Stewart GA; Grayevsky A; Kaplan N, 1997, 'On the Diffusion of Co into PrNi5', Solid State Communications, 104, pp. 113 - 117

Harker S; Stewart GA; Edge AV, 1996, 'Induced thulium magnetisation for the Immm phase of Tm2BaNiO5', Solid State Communications, 100, pp. 307 - 310

Gubbens PC; Moolenaar AA; Stewart GA; Mulder FM; Boschow KH, 1995, 'Influence of the crystal field on the magnetic behaviour of Er2 Ni17', Journal of Magnetism and Magnetic Materials, 140-144, pp. 1011 - 1012

Stewart GA; Thompson PW; Cadogan JM; Li HS, 1994, '169Tm Mössbauer investigation of the compounds TmFe2Ge2 and TmCu2Ge2', Hyperfine Interactions, 90, pp. 407 - 410, http://dx.doi.org/10.1007/BF02069147

Stewart GA, 1994, 'Some applications of rare earth Mossbauer spectroscopy', Metals forum, 18, pp. 177 - 193

Yazidjoglou N; Hutchison WD; Stewart GA, 1994, 'Transient NMRON studies of dilute 54Mn in single-crystal Fe', Journal of Physics: Condensed Matter, 6, pp. 7109 - 7115, http://dx.doi.org/10.1088/0953-8984/6/35/019

Chaplin DH; Huang X; Hutchison WD; Stewart GA; Yazidjoglou N, 1993, 'Recent experiments with transient NMRON', Hyperfine Interactions, 80, pp. 1263 - 1267, http://dx.doi.org/10.1007/BF00567489

Stewart GA; Cadogan JM, 1993, 'A 169Tm Mössbauer investigation of Tm2Cu2O5', Journal of Magnetism and Magnetic Materials, 118, pp. 322 - 330, http://dx.doi.org/10.1016/0304-8853(93)90433-3

STEWART GA; CADOGAN S, 1993, 'A TM-169 MOSSBAUER INVESTIGATION OF TM2CU2O5', JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 118, pp. 322 - 330, http://dx.doi.org/10.1016/0304-8853(93)90433-3

Harris MB; Stewart GA; Creagh DC, 1993, 'Influence of hydrogenation on the structure of cubic Lu6Fe23 and Y6Fe23', Solid State Communications, 85, pp. 389 - 392, http://dx.doi.org/10.1016/0038-1098(93)90685-G

Stewart GA; Cadogan JM; Edge AVJ, 1992, '169Tm Mossbauer investigation of thulium pyrogermanate', Journal of Physics: Condensed Matter, 4, pp. 1849 - 1858, http://dx.doi.org/10.1088/0953-8984/4/7/023

Stewart GA; James SD, 1992, 'Computer simulation of underwater sound propagation as a teaching aid', European Journal of Physics, 13, pp. 264 - 267, http://dx.doi.org/10.1088/0143-0807/13/6/003

Yazidjoglou N; Hutchison WD; Foster HR; Stewart GA; Chaplin DH, 1992, 'Discrepancies in NMRON Knight Shifts of impurity nuclei in ferromagnets', Hyperfine Interactions, 75, pp. 283 - 290, http://dx.doi.org/10.1007/BF02398984

Stewart GA; Hutchison WD; Yazidjoglou N, 1991, 'Influence of diffused impurities on radiofrequency penetration', Journal of Physics: Condensed Matter, 3, pp. 9811 - 9816, http://dx.doi.org/10.1088/0953-8984/3/48/022

Yazidjoglou N; Hutchison WD; Stewart GA, 1991, 'Single-passage NMRON investigation of 125Sb impurities in single-crystal iron', Journal of Physics: Condensed Matter, 3, pp. 467 - 482, http://dx.doi.org/10.1088/0953-8984/3/4/010

KozŁowski A; Stewart GA; Obuszko Z; Zukrowski J, 1990, 'Magnetism in Y6Mn23Hx', Journal of Magnetism and Magnetic Materials, 92, pp. 155 - 161, http://dx.doi.org/10.1016/0304-8853(90)90692-J

KOZLOWSKI A; STEWART GA; OBUSZKO Z; ZUKROWSKI J, 1990, 'MAGNETISM IN Y6MN23HX', JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 92, pp. 155 - 161, http://dx.doi.org/10.1016/0304-8853(90)90692-J

Back PJ; Stewart GA, 1990, 'Single passage NMRON and the spin-temperature question', Hyperfine Interactions, 60, pp. 933 - 936, http://dx.doi.org/10.1007/BF02399904

Bergold M; Wortmann G; Stewart GA, 1990, 'Crystalline-electric field interactions in DyBa2Cu3O7-δ and TmBa2Cu3O7-δ from161Dy- and169Tm-Mössbauer spectroscopy', Hyperfine Interactions, 55, pp. 1205 - 1212, http://dx.doi.org/10.1007/BF02397150

Stewart GA, 1990, 'Quadrupole interaction at169Tm in orthorhombic TmF3', Hyperfine Interactions, 53, pp. 413 - 418, http://dx.doi.org/10.1007/BF02101076

Zukrowski J; Wortmann G; Stewart GA, 1989, 'Mössbauer Effect Study of the Magnetic Order in Th6Mn23Hx', Zeitschrift fur Physikalische Chemie, 163, pp. 669 - 670, http://dx.doi.org/10.1524/zpch.1989.163.Part_2.0669

Stewart GA; Day RK; Dunlop JB; Price DC, 1988, 'A two-site analysis of169Tm Mössbauer measurements on thulium sesquioxide', Hyperfine Interactions, 40, pp. 339 - 342, http://dx.doi.org/10.1007/BF02049112

Stewart GA; Kaindl G, 1988, 'Crystal field interaction at Tm in TmZn2', Hyperfine Interactions, 40, pp. 429 - 432, http://dx.doi.org/10.1007/BF02049134

Stewart GA; Zukrowski J; Kozłowski A, 1988, 'TmCu2Si2, a two-singlet magnetic system?', Hyperfine Interactions, 40, pp. 433 - 436, http://dx.doi.org/10.1007/BF02049135

Stewart GA; Creagh DC, 1985, 'A simple model for the occurrence of tetragonal hydrides of cubic R 6T23 intermetallics', Journal of Physics F: Metal Physics, 15, pp. 1639 - 1649, http://dx.doi.org/10.1088/0305-4608/15/8/004

Stewart GA, 1985, 'On the interpretation of nuclear quadrupole interaction data for rare-earth nuclei at low symmetry sites', Hyperfine Interactions, 23, pp. 1 - 16, http://dx.doi.org/10.1007/BF02060135

Back PJ; Chaplin DH; Foster HR; Stewart GA; Wilson GVH, 1985, 'Transient NMR/ON of56CoFe', Hyperfine Interactions, 22, pp. 193 - 197, http://dx.doi.org/10.1007/BF02063993

Stewart GA; Whittle GL; Campbell SJ; Zukrowski J, 1983, 'A Mössbauer effect study of Y(57Fe:Mn)12', Hyperfine Interactions, 16, pp. 681 - 684, http://dx.doi.org/10.1007/BF02147341

Stewart GA; Wortmann G, 1981, 'Non-axial electric field gradient at the dysprosium nucleus in hexagonal DyH3', Physics Letters A, 85, pp. 185 - 187, http://dx.doi.org/10.1016/0375-9601(81)90899-9

Stewart GA; Zukrowski J; Wortmann G, 1981, 'Magnetic order in Y6(57Fe:Mn)23H26', Journal of Magnetism and Magnetic Materials, 25, pp. 77 - 82, http://dx.doi.org/10.1016/0304-8853(81)90149-9

Stewart G; Zukrowski J; Wortmann G, 1981, 'Magnetic order observed in Er6Mn23H21 using the Mössbauer effect', Solid State Communications, 39, pp. 1017 - 1020, http://dx.doi.org/10.1016/0038-1098(81)90079-X

Stewart GA; Barclay JA; Don CG; Lester LN; Wilson GVH, 1977, 'The ensemble rotation concept in nuclear magnetic resonance on oriented nuclei', Journal of Physics C: Solid State Physics, 10, pp. 3651 - 3672, http://dx.doi.org/10.1088/0022-3719/10/18/029

Stewart GA; Barclay JA, 1977, 'Numerical solutions for single passage NMR on nuclei experiencing small electric quadrupole interactions', Hyperfine Interactions, 5, pp. 95 - 108, http://dx.doi.org/10.1007/BF01021681

Stewart GA; Barclay JA, 1976, 'The effects of clustering on the hyperfine field of indium in iron', physica status solidi (a), 38, pp. 533 - 538, http://dx.doi.org/10.1002/pssa.2210380213

Hutton DR; Troup GJ; Stewart GA, 1971, 'Paramagnetic ions in zoisite', Science, 174, pp. 1259, http://dx.doi.org/10.1126/science.174.4015.1259


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