Robin Louis Armstrong - Publications

Affiliations: 
1961 University of Toronto, Toronto, ON, Canada 
Area:
electromagnetic interactions and radiology
Website:
http://www.science.ca/scientists/scientistprofile.php?pID=110

71 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2003 Beyea SD, Balcom BJ, Bremner TW, Armstrong RL, Grattan-Bellew PE. Detection of Drying-Induced Microcracking in Cementitious Materials with Space-Resolved1H Nuclear Magnetic Resonance Relaxometry Journal of the American Ceramic Society. 86: 800-805. DOI: 10.1111/J.1151-2916.2003.Tb03378.X  0.407
2000 Beyea SD, Balcom BJ, Mastikhin IV, Bremner TW, Armstrong RL, Grattan-Bellew PE. Imaging of heterogeneous materials with a turbo spin echo single-point imaging technique. Journal of Magnetic Resonance (San Diego, Calif. : 1997). 144: 255-65. PMID 10828193 DOI: 10.1006/Jmre.2000.2054  0.376
1999 Prado PJ, Balcom BJ, Mastikhin IV, Cross AR, Armstrong RL, Logan A. Magnetic Resonance Imaging of Gases: A Single-Point Ramped Imaging with T1 Enhancement (SPRITE) Study. Journal of Magnetic Resonance (San Diego, Calif. : 1997). 137: 324-332. PMID 10089166 DOI: 10.1006/Jmre.1998.1674  0.334
1999 MacMillan B, Sharp AR, Armstrong RL. N.m.r. relaxation in Nafion—the low temperature regime Polymer. 40: 2481-2485. DOI: 10.1016/S0032-3861(98)00483-2  0.311
1998 Prado PJ, Balcom BJ, Beyea SD, Armstrong RL, Bremner TW, Grattan-Bellew PE. Concrete/mortar water phase transition studied by single-point MRI methods. Magnetic Resonance Imaging. 16: 521-3. PMID 9803901 DOI: 10.1016/S0730-725X(98)00062-9  0.338
1998 Beyea SD, Balcom BJ, Prado PJ, Cross AR, Kennedy CB, Armstrong RL, Bremner TW. Relaxation time mapping of short T*2 nuclei with single-point imaging (SPI) methods. Journal of Magnetic Resonance (San Diego, Calif. : 1997). 135: 156-64. PMID 9799689 DOI: 10.1006/Jmre.1998.1537  0.32
1998 Prado PJ, Balcom BJ, Beyea SD, Bremner TW, Armstrong RL, Pishe R, Gratten-Bellew PE. Spatially resolved relaxometry and pore size distribution by single-point MRI methods: porous media calorimetry Journal of Physics D: Applied Physics. 31: 2040-2050. DOI: 10.1088/0022-3727/31/16/014  0.337
1998 Rack FR, Balcom BJ, MacGregor RP, Armstrong RL. Journal of Paleolimnology. 19: 255-264. DOI: 10.1023/A:1007921832589  0.335
1998 Beyea S, Balcom B, Bremner T, Prado P, Green D, Armstrong R, Grattan-Bellew P. Magnetic Resonance Imaging and Moisture Content Profiles of Drying Concrete Cement and Concrete Research. 28: 453-463. DOI: 10.1016/S0008-8846(98)00009-X  0.328
1998 Prado P, Balcom B, Beyea S, Bremner T, Armstrong R, Grattan-Bellew P. Concrete Freeze/Thaw as Studied by Magnetic Resonance Imaging Cement and Concrete Research. 28: 261-270. DOI: 10.1016/S0008-8846(97)00222-6  0.374
1997 Prado PJ, Balcom BJ, Beyea SD, Armstrong RL, Bremner TW. Concrete thawing studied by single-point ramped imaging. Solid State Nuclear Magnetic Resonance. 10: 1-8. PMID 9472785 DOI: 10.1016/S0926-2040(97)00071-4  0.314
1997 Cross AL, Armstrong RL, Gobrecht C, Paton M, Ware C. Three dimensional imaging of the Belousov-Zhabotinsky reaction using magnetic resonance. Magnetic Resonance Imaging. 15: 719-25. PMID 9285812 DOI: 10.1016/S0730-725X(97)00078-7  0.331
1997 Prado PJ, Armstrong RL, Krupski M. Nuclear quadrupole resonance study of hydrostatic pressure and substitutional impurity effects in the cubic to tetragonal structural phase transition in K2OsCl6 Canadian Journal of Physics. 75: 19-31. DOI: 10.1139/P96-137  0.378
1996 Su S, Prado P, Armstrong RL, Zuriaga M. Electronic population effect in halogen nuclear spin - lattice relaxation in praseodymium trihalide compounds Journal of Physics: Condensed Matter. 8: 8001-8009. DOI: 10.1088/0953-8984/8/42/018  0.429
1996 Prado PJ, Armstrong RL. Uniaxial pressure effects in the cubic phase of Journal of Physics: Condensed Matter. 8: 5621-5635. DOI: 10.1088/0953-8984/8/30/011  0.406
1996 Gao Y, Cross aAR, Armstrong RL. Magnetic Resonance Imaging of Ruthenium-, Cerium-, and Ferroin-Catalyzed Belousov−Zhabotinsky Reactions The Journal of Physical Chemistry. 100: 10159-10164. DOI: 10.1021/Jp953169L  0.338
1995 Prado P, Armstrong RL, Powell B. Comments on the crystal structure of solid trichlorofluoromethane Canadian Journal of Physics. 73: 650-652. DOI: 10.1139/P95-096  0.365
1995 Prado PJ, Armstrong RL, Powell B. Influence of substitutional impurities on the static and dynamical behaviour of K2OsCl6 in the vicinity of the structural phase transition: A neutron diffraction study Canadian Journal of Physics. 73: 626-631. DOI: 10.1139/P95-091  0.343
1995 Cross AR, Armstrong RL, Reid A, Su S, Menzinger M. Contrast Enhancement of Magnetic Resonance Images of Chemical Waves in the Belousov-Zhabotinsky Reaction The Journal of Physical Chemistry. 99: 16616-16621. DOI: 10.1021/J100045A021  0.352
1993 Armstrong RL, Bogdan M, Jeffrey KR, Bissonnette C, McCourt FRW. Deuteron magnetic resonance probe of the D2–He potential energy surface The Journal of Chemical Physics. 99: 5754-5761. DOI: 10.1063/1.465926  0.643
1993 Bogdan M, Jeffrey KR, Armstrong RL. Nuclear magnetic resonance study of deuterium gas The Journal of Chemical Physics. 98: 6154-6161. DOI: 10.1063/1.464854  0.627
1993 Su S, Armstrong RL, Menzinger M, Cross A, Lemaire C. Detection of critical mode convection in the presence of a thermal gradient using chemical waves as a passive indicator Journal of Chemical Physics. 98: 7295-7300. DOI: 10.1063/1.464722  0.34
1992 Su S, Armstrong RL, Wei W. Bromine nuclear quadrupole resonance study of PrBr3 Journal of Physics: Condensed Matter. 4: 4301-4306. DOI: 10.1088/0953-8984/4/17/009  0.461
1992 Menzinger M, Tzalmona A, Armstrong RL, Cross A, Lemaire C. Dynamics of convective instability of waves in the Belousov-Zhabotinskii reaction as measured by magnetic resonance imaging The Journal of Physical Chemistry. 96: 4725-4727. DOI: 10.1021/J100191A001  0.339
1992 Zuriaga MJ, Armstrong RL. Nonexponential relaxation of dipolar nuclei in polycrystalline samples Journal of Magnetic Resonance. 99: 66-80. DOI: 10.1016/0022-2364(92)90156-2  0.428
1992 Zuriaga MJ, Hallsworth R, Armstrong RL, Monti GA, Martín CA. An NQR and NMR study of solid trichlorofluoromethane Journal of Magnetic Resonance. 99: 56-65. DOI: 10.1016/0022-2364(92)90155-Z  0.695
1992 Tzalmona A, Armstrong RL, Menzinger M, Cross A, Lemaire C. Measurement of the velocity of chemical waves by magnetic resonance imaging Chemical Physics Letters. 188: 457-461. DOI: 10.1016/0009-2614(92)80848-6  0.304
1991 Su S, Armstrong RL, Wei W, Donaberger R. Nuclear-quadrupole-resonance study of pseudospin dynamics in a quasi-one-dimensional XY system. Physical Review. B, Condensed Matter. 43: 7565-7569. PMID 9996374 DOI: 10.1103/Physrevb.43.7565  0.337
1990 Armstrong RL, Krupski M, Su S. Effect of pressure on the temperature of the displacive to order–disorder crossover associated with the structural phase transition in K2OsCl6 Canadian Journal of Physics. 68: 88-90. DOI: 10.1139/P90-013  0.369
1990 Wagner RS, Armstrong RL, Bissonnette EC, McCourt FRW. Proton and deuteron magnetic resonance study of the HD–He potential energy surface Journal of Chemical Physics. 92: 5907-5918. DOI: 10.1063/1.458361  0.412
1989 Armstrong RL, Lo B, Powell BM. Neutron diffraction study of the structure of the antifluorite crystal (NH4)2PbCl6 Canadian Journal of Physics. 67: 1040-1043. DOI: 10.1139/P89-182  0.345
1989 Krupski M, Armstrong RL. High-pressure nuclear quadrupolar resonance study of dynamical effects associated with the structural phase transition in K2OsCl6 Canadian Journal of Physics. 67: 566-571. DOI: 10.1139/P89-103  0.406
1988 Morra RM, Buyers WJ, Armstrong RL, Hirakawa K. Spin dynamics and the Haldane gap in the spin-1 quasi-one-dimensional antiferromagnet CsNiCl3. Physical Review. B, Condensed Matter. 38: 543-555. PMID 9945216 DOI: 10.1103/Physrevb.38.543  0.345
1988 Singh MA, Armstrong RL. Spin temperature applied to an inhomogeneously broadened pure quadrupolar resonance. Physical Review. B, Condensed Matter. 38: 50-62. PMID 9945163 DOI: 10.1103/Physrevb.38.50  0.415
1987 Avram HE, Armstrong RL. Spin temperature experiments in β-phase palladium hydride Canadian Journal of Physics. 65: 1623-1628. DOI: 10.1139/P87-267  0.368
1987 Armstrong RL, Morra RM, Svare I, Powell BM. Temperature dependence of the structure of the antifluorite K2OsCl6: evidence for precursor tetragonal clusters near TC Canadian Journal of Physics. 65: 386-391. DOI: 10.1139/P87-047  0.367
1987 Krupski M, Armstrong RL, Maćkowiak M, Zdanowska-Fraczek M. Effect of hydrostatic pressure on the structural phase transition in K2OsCl6:a35Cl nuclear quadrupole resonance Canadian Journal of Physics. 65: 134-137. DOI: 10.1139/P87-023  0.377
1986 Avram HE, Armstrong RL. Spin-polarization torsional spectroscopy in beta -phase palladium hydride. Physical Review. B, Condensed Matter. 34: 6121-6125. PMID 9940487 DOI: 10.1103/Physrevb.34.6121  0.322
1985 Armstrong RL, Morra RM, Powell BM. Neutron-diffraction study of the structural phase transitions in the antifluorite K2PtBr6 Canadian Journal of Physics. 63: 988-996. DOI: 10.1139/P85-162  0.398
1985 Ramia ME, Armstrong RL. Chlorine nuclear quadrupole resonance lineshape in the cubic antifluorite K2OsCl6 Canadian Journal of Physics. 63: 350-353. DOI: 10.1139/P85-054  0.364
1985 Lemaire C, Armstrong RL. The effect of van der Waals complexes on the longitudinal proton spin relaxation time in hydrogen–argon gas mixtures Canadian Journal of Physics. 63: 179-187. DOI: 10.1139/P85-027  0.393
1984 Lemaire C, Armstrong RL. Proton spin longitudinal relaxation time in gaseous ammonia and hydrogen chloride Journal of Chemical Physics. 81: 1626-1631. DOI: 10.1063/1.447877  0.384
1984 Lemaire C, Armstrong RL, McCourt FRW. Proton magnetic resonance study of the H2–Ar potential energy surface Journal of Chemical Physics. 87: 6499-6501. DOI: 10.1063/1.447669  0.351
1983 D'Iorio M, Armstrong RL. NQR study of the structural phase transitions in a system with reduced effective dimensionality: K2ReCl6 Canadian Journal of Physics. 61: 1374-1381. DOI: 10.1139/P83-176  0.418
1983 Armstrong RL, Morra RM, Powell BM, Buyers WJL. Structural changes in the antifluorite crystal (NH4)2SnBr6 Canadian Journal of Physics. 61: 997-1002. DOI: 10.1139/P83-124  0.352
1983 Morra RM, Armstrong RL, Taylor DR. Peierls Dimerization at the Jahn-Teller Phase Transition in PrCl 3 Physical Review Letters. 51: 809-812. DOI: 10.1103/Physrevlett.51.809  0.305
1983 D'Iorio M, Armstrong RL, Taylor DR. Longitudinal and transverse spin dynamics of a one-dimensional XY system studied by chlorine nuclear relaxation in PrCl 3 Physical Review B. 27: 1664-1673. DOI: 10.1103/Physrevb.27.1664  0.38
1982 Armstrong RL, D'Iorio M, Ramia ME. Evidence for precursor clusters associated with structural phase transitions in antifluorite crystals Canadian Journal of Physics. 60: 397-398. DOI: 10.1139/P82-058  0.359
1982 Kreitzman SR, Armstrong RL. Low-temperature proton-magnetic-resonance line-shape measurements in the palladium-hydrogen system Physical Review B. 25: 2046-2049. DOI: 10.1103/Physrevb.25.2046  0.358
1981 Sutton M, Armstrong RL, Powell BM, Buyers WJL. Neutron diffraction study of the structural changes in the antifluorite crystals Rb2PtI6, (NH4)2PtBr6, and (NH4)2PtI6 Canadian Journal of Physics. 59: 449-456. DOI: 10.1139/P81-056  0.338
1980 Mintz JD, Armstrong RL. A study of the chlorine nuclear quadrupole resonance frequency spectrum in potassium hexachloro-osmate by Fourier transform methods Canadian Journal of Physics. 58: 657-663. DOI: 10.1139/P80-089  0.362
1980 Armstrong RL, Mintz JD, D'Iorio M. Observation of H + Ions in K 2 OsCl 6 by Chlorine Nuclear Quadrupole Resonance Physical Review Letters. 44: 747-749. DOI: 10.1103/Physrevlett.44.747  0.33
1979 Armstrong RL, Kalechstein W. Proton spin relaxation spectrum of hydrogen gas at 77.5 K Canadian Journal of Physics. 57: 841-844. DOI: 10.1139/P79-119  0.396
1979 Mintz D, Armstrong RL, Powell BM, Buyers WJL. Soft rotary mode in the antifluorite crystal K2OsC16 Physical Review B. 19: 448-451. DOI: 10.1103/Physrevb.19.448  0.323
1978 McElroy RGC, Armstrong RL. The role of the ordinary and anharmonic Raman processes in Rb2PtI6 Canadian Journal of Physics. 56: 1461-1467. DOI: 10.1139/P78-195  0.321
1978 D'Iorio M, Armstrong RL. Pressure dependence of iodine nuclear relaxation in rubidium iodide Canadian Journal of Physics. 56: 1386-1389. DOI: 10.1139/P78-181  0.388
1978 McElroy RGC, Armstrong RL. Cubic to tetragonal phase transitions in (NH 4 ) 2 PtBr 6 and Rb 2 PtI 6 Physical Review B. 18: 1352-1355. DOI: 10.1103/Physrevb.18.1352  0.309
1977 Kalechstein W, Armstrong RL. Proton spin relaxation in hydrogen-nitrogen mixtures: a test of the single relaxation time approximation Canadian Journal of Physics. 55: 1083-1091. DOI: 10.1139/P77-145  0.412
1977 Willemsen HW, Martin CA, Meincke PPM, Armstrong RL. Thermal-expansion study of the displacive phase transitions in K 2 ReCl 6 and K 2 OsCl 6 Physical Review B. 16: 2283-2288. DOI: 10.1103/Physrevb.16.2283  0.322
1977 Novotny V, Martin CA, Armstrong RL, Meincke PPM. Thermodynamical properties of K 2 OsCl 6 and K 2 ReCl 6 at low temperatures and near their structural phase transitions Physical Review B. 15: 382-387. DOI: 10.1103/Physrevb.15.382  0.349
1977 Armstrong RL, Mintz D, D'Iorio M. Addendum: New evidence for the formation of dynamic clusters at temperatures in the vicinity of a structural phase transition Physical Review B. 15: 2840-2841. DOI: 10.1103/Physrevb.15.2840  0.314
1977 Kalechstein W, Lemaire C, Armstrong RL. Proton longitudinal relaxation time measurements in dilute hydrogen chloride gas Journal of Chemical Physics. 66: 1586-1588. DOI: 10.1063/1.434078  0.376
1976 Driel HMV, Armstrong RL. A comparison of the chlorine nuclear relaxation in the dense paramagnetic insulators K2IrCl6 and K2ReCl6 Canadian Journal of Physics. 54: 1391-1395. DOI: 10.1139/P76-163  0.387
1976 McElroy RGC, Armstrong RL. Pure nuclear quadrupole resonance spectroscopy of rubidium hexabromoplatinate Journal of Magnetic Resonance. 24: 165-166. DOI: 10.1016/0022-2364(76)90242-0  0.355
1975 Driel HMv, Armstrong RL. Quadrupolar Relaxation of X Type Nuclei in R2MX6 and RMX3 Compounds Canadian Journal of Physics. 53: 1141-1147. DOI: 10.1139/P75-144  0.372
1975 Armstrong RL, Kisman KE, Kalechstein W. Longitudinal Relaxation Time Measurements in Hydrogen Gas Mixtures at Low Densities Canadian Journal of Physics. 53: 1-4. DOI: 10.1139/P75-001  0.41
1975 Armstrong RL, Martin CA. New evidence for the formation of dynamic clusters at temperatures in the vicinity of a structural phase transition Physical Review Letters. 35: 294-296. DOI: 10.1103/Physrevlett.35.294  0.388
1975 Driel HMv, Armstrong RL. 35 Cl spin-lattice relaxation study of phase transitions in CsPbCl 3 Physical Review B. 12: 839-841. DOI: 10.1103/Physrevb.12.839  0.401
1975 Driel HMv, Armstrong RL, McEnnan MM. Soft-mode behavior near the 111-K displacive phase transition inK2ReCl6 Physical Review B. 12: 488-492. DOI: 10.1103/Physrevb.12.488  0.309
1974 Kisman KE, Armstrong RL. Longitudinal relaxation time measurements in hydrogen gas at low densities Canadian Journal of Physics. 52: 1555-1566. DOI: 10.1139/P74-203  0.372
1974 Armstrong RL, Driel HMV, Sharp AR. Evidence for Spin Isomerism from Proton Magnetic Resonance Studies of (NH4)2PtBr6 and (NH4)2PtCl6 Canadian Journal of Physics. 52: 369-378. DOI: 10.1139/P74-053  0.441
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