Browsing M.Sc. Physics by Title
Now showing items 13-32 of 90
-
Crystal Growth and Characterization of Li0.9Mo6O17
(Brock University, 2012-12-10)Purple bronze Li0.9Mo6O17 has attracted researchers for its low dimensionality and corresponding properties. Although it has been studied for nearly two decades, there are still some unsolved puzzles with this unique ... -
Crystal growth, characterization and point contact spectroscopy on CuxTiSe₂
(Brock University, 2011-05-17)Various s e t s of single c rys t a l s and poly c rys t a l s of Cux TiSe2 were grown. X- r ay diffraction and ene rgy dispersive spe c t ros copy r e sul t s verified tha t the c rys t a l s were the ... -
Crystal growth, Raman scattering and optical properties of the superconductor Cd2Re2O7(16O, 18O)/
(Brock University, 2008-06-15)Using the Physical Vapor Transport method, single crystals of Cd2Re207 have been grown, and crystals of dimensions up to 8x6x2 mm have been achieved. X-ray diffraction from a single crystal of Cd2Re207 has showed the ... -
Crystallinity, Magnetic and Electrical Properties of Bi doped LaVO3
(Brock University, 2012-05-17)We report the results of crystal structure, magnetization and resistivity measurements of Bi doped LaVO3. X-ray diffraction (XRD) shows that if doping Bi in the La site is less than ten percent, the crystal structure of ... -
Dechanneling of 2 Mev Heâ ½ in gold
(Brock University, 1978-07-09)Thick gold single crystals of high quality were prepared for Rutherford Backscattering Dechanneling studies by electropolishing and annealing. The variation.; with temperature of the Random Fraction versus Depth spectrtnn ... -
The design of a reflectance spectrometer and its calibration using SrTiO3 /
(Brock University, 2004-07-14)A new Ultra-High Vacuum (UHV) reflectance spectrometer was successfully designed, making use of a Janis Industries ST-400 sample cryostat, IR Labs bolometer, and Briiker IFS 66 v/S spectrometer. Two of the noteworthy ... -
Design of Resistivity Instrumentation for a He3 Cryostat and its Application to the Charge Density Wave Superconductor CuxTiSe2
(Brock University, 2014-03-13)Fermi patches in quasi-two dimensional charge density waves (CDW) have not described the connection to superconductivity (SC) according to theory adequately at this point in time. The connection between CDW and SC in the ... -
Developing a numerical inverse-theory-based extraction of orientation-dependent relaxation rates from partially- relaxed spectra
(Brock University, 2010-03-09)Second-rank tensor interactions, such as quadrupolar interactions between the spin- 1 deuterium nuclei and the electric field gradients created by chemical bonds, are affected by rapid random molecular motions that ... -
Diffusion Monte Carlo study of electronic properties for H and Be atoms /
(Brock University, 2006-06-04)We examined three different algorithms used in diffusion Monte Carlo (DMC) to study their precisions and accuracies in predicting properties of isolated atoms, which are H atom ground state, Be atom ground state and H ... -
The diffusion of Co⠶溩 Zrâ â Tiâ â alloy /|nS. Kumar. -- 260 St Catharines [Ont.] : Dept. of Physics, Brock University,
(Brock University, 1973-07-09)The diffusion of Co60 in the body centered cubic beta phase of a ZrSOTi SO alloy has been studied at 900°, 1200°, and 1440°C. The results confirm earlier unpublished data obtained by Kidson17 • The temperature dependence ... -
Effect of the position of the double-bond in monounsaturated phospholipids on the dynamics of model membranes
(Brock University, 1999-07-09)Therllloelynalllics of lllodel 11lel1ll)rane systeills containing 1110nollnsaturatecl I)lloSI)holil) ids is strongly infllienced l)y the I)osition of the C==C dOlll)le })ond in tIle acyl chain. The telllI)eratllres of ... -
The Effects of Annealing URu2Si2 on the Resistivity and Meissner Effect
(Brock University, 2012-09-18)The enigmatic heavy fermion URu2Si2, which is the subject of this thesis, has attracted intensive theoretical and experimental research since 1984 when it was firstly reported by Schlabitz et al. at a conference [1]. The ... -
Electrogenic proton/L-glutamate symport in isolated asparagus sprengeri mesophyll cell
(Brock University, 1991-07-09)Medium' alkaliniiation occurred -lipon the addition of L-Glu to mechanically isolated Asparagus sprenger-i mesophyll cells suspended in 1 mM CaS04. Alkalinization resulted from the coupled entry of H+ and L-Glu anion ... -
Electronic and magnetic properties of LaV1-xO3 /
(Brock University, 2008-06-15)A series of LaVi^xOs compounds (x=0.00, 0.02, 0.04, 0.06, 0.08) were prepeired using the standard solid reaction. The samples were chareicterized by X-ray diffraction (XRD), fourprobe resistivity, smd magnetic susceptibility ... -
Electronic, magnetic and thermal properties of Pb₂₋x AxCrO₅ (A = K or La)
(Brock University, 2011-10-13)Lead chromium oxide is a photoconductive dielectric material tha t has great potential of being used as a room temperature photodetector. In this research, we made ceramic pellets of this compound as well ... -
Elucidation of a mechanism of cell lysis by chorhexidine : a biophysical approach
(2012-04-03)Chlorhexidine is an effective antiseptic used widely in disinfecting products (hand soap), oral products (mouthwash), and is known to have potential applications in the textile industry. Chlorhexidine has been studied ... -
An experimental investigation of dechanneling in copper single crystals
(Brock University, 1984-07-09)This investigation comprises a comparison of experimental and theoretical dechanneling of MeV protons in copper single crystals. Dechanneling results when an ion's transverse energy increases to the value where the ion ... -
Extracting Ramachandran torsional angle distributions from 2D NMR data using Tikhonov regularization /
(Brock University, 2004-06-29)Solid state nuclear magnetic resonance (NMR) spectroscopy is a powerful technique for studying structural and dynamical properties of disordered and partially ordered materials, such as glasses, polymers, liquid crystals, ... -
Far infared reflectance along the C-axis of the charge stripe superconductor La1.875Ba0.125CuO4.
(Brock University, 2011-03-08)Reflectance measurements along the c-axis of La1.875 Bao.125CU04 at temperatures above(6K) and below(O.5K) the bulk superconducting transition temperature(3K) were performed using a Bruker rapid scan spectrometer ... -
Far infrared optical properties of V and Cr doped Sb2Te3 /
(Brock University, 2009-06-15)The far infrared reflectance of Sb2Te3 , Sbi.97Vo.o3Te3 and Sbi.94Cr .o6Te3 was measured near normal incidence at different temperatures (between 45K and 300K). The direct current resistivities of the above samples were ...