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Title: In-vivo analysis of H. Lumulus plants under biotic and abiotic stress using a handheld Raman Spectrometer
Date: 2018
Author: Chowdhury, Pragya Paramita
Genre: Honours
Abstract: Raman spectroscopy (RS) is a laser spectroscopic technique which works by illuminating a sample causing polarizations of the bonds in the sample....
Publisher: University of Prince Edward Island
Publication Status: PUBLISHED



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Title: Information compression of molecular representations using neural network auto-encoders
Date: 2017
Author: Cameron, Andrew
Genre: Honours
Abstract: As quantum chemistry continues to make stronger predictions about the physical observables of chemical systems, and larger datasets of quantum...
Publisher: University of Prince Edward Island
Publication Status: PUBLISHED




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Title: Simulated positron lifetime (SimPL): a Monte Carlo simulator for positron diffusion, trapping, and lifetime spectra
Source: physica status solidi (c)
Date: 2007
Author: Lawther, Derek W.; Gaudin, André; Stewart, Allan
Genre: Journal Article
Volume: 4
Issue: 10
Start Page: 4007
DOI: 10.1002/pssc.200675768



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Title: Experimental identification of nitrogen-vacancy complexes in nitrogen implanted silicon
Source: Applied Physics Letters
Date: 2001
Author: Adam, Lahir Shaik; Law, Mark E.; Szpala, Stanislaw; Simpson, P. J.; Lawther, Derek W.; Dokumaci, Omer; Hegde, Suri
Genre: Journal Article
Volume: 79
DOI: 10.1063/1.1388882
Publication Status: PUBLISHED




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Title: On the electrical deactivation of arsenic in silicon
Source: Journal of Vacuum Science & Technology B
Date: 1997
Author: Myler, U.; Simpson, P. J.; Lawther, Derek W.; Rousseau, P. M.
Genre: Journal Article
Abstract: Previous work on thermally induced arsenic deactivation in highly doped silicon has proven the generation bf vacancies and suggests the formation...
Volume: 15
Issue: 3
Start Page: 757



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Title: Chemical information in positron annihilation spectra
Source: Applied Physics Letters
Date: 1996
Author: Myler, U.; Goldberg, R. D.; Knights, A. P.; Lawther, Derek W.; Simpson, P. J.
Genre: Journal Article
Abstract: Positron annihilation spectra of arsenic- and gold-implanted silicon are compared:with spectra from bulk samples of arsenic and gold. Spectra with...
Volume: 69
Issue: 22
Start Page: 3333
DOI: 10.1063/1.117297
Publication Status: PUBLISHED




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Title: A Doppler broadening positron annihilation technique for the study of defects in bulk samples
Source: Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms
Date: 1996
Author: Dunlap, R. A.; Kyriakidis, J.; Wang, Z.; Lawther, Derek W.
Genre: Journal Article
Abstract: A Doppler broadening positron annihilation technique which allows for the study of near surface defects in bulk samples is described. The method is...
Volume: 108
Issue: 3
Start Page: 339
DOI: 10.1016/0168-583x(95)01061-0




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Title: Positron beam study of annealed silicon nitride films
Source: Journal of Applied Physics
Date: 1996
Author: Landheer, D.; Aers, G. C.; Sproule, G. I.; Lawther, Derek W.; Simpson, P. J.; Massoumi, G. R.; Tong, S. Y.
Genre: Journal Article
Abstract: Positron annihilation spectroscopy has been used to study silicon nitride films grown by plasma-enhanced chemical vapor deposition and annealed at...
Volume: 79
Issue: 5
Start Page: 2458
DOI: 10.1063/1.361173




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Title: Positron-beam techniques for materials characterization
Source: Defect and Diffusion Forum
Date: 1996
Author: Lawther, Derek W.; Simpson, P. J.
Genre: Journal Article
Volume: 138-139
Start Page: 1
DOI: 10.4028/www.scientific.net/ddf.138-139.1




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Title: Thermal expansion of Bi2.2Sr1.8CaCu2Ox superconductor single crystals
Source: Journal of Superconductivity
Date: 1995
Author: Yang, Z. J.; Yewondwossen, M.; Lawther, Derek W.; Ritcey, S. P.; Geldart, D. J. W.; Dunlap, R. A.
Genre: Journal Article
Abstract: Using a low-temperature stage X-ray diffractometer, we have investigated the temperature dependence of the lattice parameters of single crystal...
Volume: 8
Issue: 2
Start Page: 233



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Title: Vacancy generation resulting from electrical deactivation of arsenic
Source: Applied Physics Letters
Date: 1995
Author: Lawther, Derek W.; Myler, U.; Simpson, P. J.; Rousseau, P. M.; Griffin, P. B.; Plummer, J. D.
Genre: Journal Article
Abstract: Electrical deactivation of arsenic in highly doped silicon has been studied using the positron-beam technique. Direct experimental evidence linking...
Volume: 67
Issue: 24
Start Page: 3575
DOI: 10.1063/1.115322
Publication Status: PUBLISHED




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Title: In situ 64Cu Doppler-broadening positron-annihilation methods for elevated temperature study of defect formation in metals formation in metals
Source: Canadian Journal of Physics
Date: 1995
Author: Lawther, Derek W.; Dunlap, R. A.
Genre: Journal Article
Abstract: Doppler-broadening positron-annihilation-spectroscopy experiment that utilizes an in situ Cu-64 source for the study of Cu and Cu-containing...
Volume: 73
Issue: 1-2
Start Page: 11
DOI: 10.1139/p95-003




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Title: Mossbauer-effect study of nondimensional and 2-dimensional quasi-crystalline alloys in the Al-Pd-Fe system
Source: Solid State Communications
Date: 1995
Author: Dunlap, R. A.; Wang, Z.; Lawther, Derek W.
Genre: Journal Article
Abstract: Room temperature Fe-57 Mossbauer effect measurements of the one- and two-dimensional quasicrystalline phases of Al75Pd15Fe10 are reported. Both...
Volume: 95
Issue: 1
Start Page: 45
DOI: 10.1016/0038-1098(95)80082-4




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Title: Variable-energy positron beam study of arsenic diffusion in poly-silicon
Source: Applied Surface Science
Date: 1995
Author: Lawther, Derek W.; Khatri, R.; Simpson, P. J.; Schultz, P. J.; Calder, I.; Weaver, L.
Genre: Journal Article
Abstract: The positron beam technique is shown to be a sensitive indicator of the presence of arsenic within the grain boundaries of poly-silicon. Variable...
Volume: 85
Issue: 1-4
Start Page: 265
DOI: 10.1016/0169-4332(94)00341-6



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Title: Positron-annihilation study of equilibrium defects in Al-Cu-Fe face-centered-icosahedral quasicrystals
Source: Physical Review B
Date: 1994
Author: Lawther, Derek W.; Dunlap, R. A.
Genre: Journal Article
Abstract: In situ Doppler-broadening temperature scans and room temperature positron-lifetime measurements are reported for Al63CU25Fe12, Al62.5CU25Fe12.5,...
Volume: 49
Issue: 5
Start Page: 3183
DOI: 10.1103/physrevb.49.3183
Publication Status: PUBLISHED




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Title: Electrical transport in amorphous Fe-Mn-Zr alloys
Source: Journal of Applied Physics
Date: 1994
Author: Srinivas, V.; Nigam, A. K.; Chandra, G.; Lawther, Derek W.; Yewondwossen, M.; Dunlap, R. A.
Genre: Journal Article
Volume: 76
Issue: 10
Start Page: 6501
DOI: 10.1063/1.358242




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Title: Mössbauer effect study of the stable Al75Pd15Fe10 decagonal quasicrystal
Source: Journal of Non-Crystalline Solids
Date: 1993
Author: Lawther, Derek W.; Dunlap, R. A.
Genre: Journal Article
Abstract: Samples of the stable Al75Pd15Fe10 decagonal quasicrystal have been studied both in the as-cast state and after annealing. Structural properties...
Volume: 153
Start Page: 49
DOI: 10.1016/0022-3093(93)90312-l




Bookmarks:

Title: Positron annihilation study of Al63Cu25Fe12 as a function of thermal treatment
Source: Journal of Non-Crystalline Solids
Date: 1993
Author: Lawther, Derek W.; Dunlap, R. A.
Genre: Journal Article
Abstract: A polycrystalline sample of Al63Cu25Fe12 has been studied as a function of thermal treatment by positron annihilation and X-ray diffraction...
Volume: 153
Start Page: 611
DOI: 10.1016/0022-3093(93)90425-w




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Title: Structural and Mossbauer effect studies of quasicrystalline Al-Pd-Cr-Fe alloys
Source: Journal of Physics-Condensed Matter
Date: 1993
Author: Wang, Z.; Dunlap, R. A.; Lawther, Derek W.
Genre: Journal Article
Abstract: Structural studies of conventionally solidified Al80-2xPd20CrxFex alloys have shown that the formation of a well ordered icosahedral phase occurs...
Volume: 5
Issue: 6
Start Page: 663
DOI: 10.1088/0953-8984/5/6/003




Bookmarks:

Title: Mossbauer effect studies of local Fe environments in crystalline and quasicrystalline Al-Cu-Fe alloys
Source: Journal of Non-Crystalline Solids
Date: 1993
Author: Lawther, Derek W.; Dunlap, R. A.
Genre: Journal Article
Abstract: Al-Cu-Fe alloys of several different stoichiometries have been prepared using a variety of sample preparation methods and have been studied using...
Volume: 153
Start Page: 45
DOI: 10.1016/0022-3093(93)90311-k

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