Index Catalog // ScholarsArchive@OSU

Measuring the inverse magnetostrictive effect in a thin film using a modified vibrating sample magnetometer

Creator:: Buford, Benjamin, Dhagat, Pallavi, and Jander, Albrecht
Abstract:: A method for measuring the magnetostriction of thin films using a vibrating sample magnetometer is described. We describe the design of a custom sample holder to apply an adjustable bending stress to the sample during measurement and observe the resulting change in the M-H loop.
Resource Type:: Article
Full Text:: a thin film using a modified vibrating sample magnetometer Buford, B., Dhagat, P., & Jander, A

Toy model studies of tuning and typicality with an eye toward cosmology

Creator:: Hernley, Aaron, Albrecht, Andreas, and Dray, Tevian
Abstract:: We investigate a number of simple toy models to explore interesting relationships between dynamics and typicality. We start with an infinite model that has been proposed as an illustration of how nonergodic dynamics can produce interesting features that are suggestive for cosmological applications. We consider various attempts to define the...
Resource Type:: Article
Full Text:: squeeze thresh- olds, we see in Fig. 8(b) that roughly 1% of the area is squeezed for a threshold of 100

Theoretical study of alignment dynamics of magnetic oblate spheroids in rotating magnetic fields

Creator:: Tan, Mingyang, Song, Han, Dhagat, Pallavi, Jander, Albrecht, and Walker, Travis W.
Abstract:: Magnetic composites containing anisotropic magnetic particles can achieve properties not possible in corresponding bulk or thin films of the magnetic material. In this work, we discuss how planar magnetic anisotropy may be achieved in a composite by aligning disk-shaped particles in an in-plane rotating magnetic field. Previous efforts have reported...
Resource Type:: Article
Full Text:: ,1 Han Song,2 Pallavi Dhagat,2 Albrecht Jander,2 and Travis W. Walker1,a) 1CBEE, Oregon State

Writing magnetic patterns with surface acoustic waves

Creator:: Li, Weiyang, Buford, Benjamin, Jander, Albrecht, and Dhagat, Pallavi
Abstract:: A novel patterning technique that creates magnetization patterns in a continuous magnetostrictive film with surface acoustic waves is demonstrated. Patterns of 10 μm wide stripes of alternating magnetization and a 3 μm dot of reversed magnetization are written using standing and focusing acoustic waves, respectively. The magnetization pattern is size-tunable,...
Resource Type:: Article
Full Text:: waves Writing magnetic patterns with surface acoustic waves Li, W., Buford, B., Jander, A., & Dhagat

Fingered Flow in Two Dimensions 2. Predicting Finger Moisture Profile

Creator:: Selker, J., Parlange, J.-Y., and Steenhuis, T.
Abstract:: An exact integral solution for the moisture profile in growing fingers in sandy soil is derived from Richards' equation. The solution provides moisture content along a finger as a function of position and time and provides applicable results, including the calculation of the asymptotic matric potential of a growing finger...
Resource Type:: Article
Full Text:: determination of 0.84. SELKER ET AL.: FINGERED FLOW IN Two DIMENSIONS, 2 2525 TABLE 2. Values for A and B

Healthcare-Associated Infection and Hospital Readmission

Creator:: Emerson, Carley B., Eyzaguirre, Lindsay M., Albrecht, Jennifer S., Comer, Angela C., Harris, Anthony D., and Furuno, Jon P.
Abstract:: OBJECTIVE. Hospital readmissions are a current target of initiatives to reduce healthcare costs. This study quantified the association between having a clinical culture positive for 1 of 3 prevalent hospital-associated organisms and time to hospital readmission. DESIGN. Retrospective cohort study. PATIENTS AND SETTING. Adults admitted to an academic, tertiary care...
Resource Type:: Article
Full Text:: Healthcare-Associated Infection and Hospital Readmission Carley B. Emerson, MS;1,a Lindsay M. Eyzaguirre, MS

Lipid/bitumen maturation by hydrothermal activity in sediments of Middle Valley, leg 139

Creator:: Simoneit, Bernd R. T.
Abstract:: The accelerated diagenesis, maturation, and catagenesis of organic matter to hydrothermal petroleum was studied in sediments from Ocean Drilling Program Leg 139 in Middle Valley, northern Juan de Fuca Ridge. Sediments at Sites 855 and 856 have experienced high heat flow resulting in accelerated diagenesis of the immature organic matter...
Resource Type:: Article
Full Text:: 48° 130 126 122° B Figure 1. Location maps for the Middle Valley drilling area: (A) the

Organic matter and carbon isotope composition of carbonate nodules and associated sediments from middle valley, leg 139

Creator:: Boni, M., Simoneit, Bernd R. T., Früh-Green, G. L., Lief, R. N., and McKenzie, J. A.
Abstract:: Carbonate nodules and associated sediments from Ocean Drilling Program Leg 139 sites of the Middle Valley, Juan de Fuca Ridge, were studied using a combination of inorganic and organic geochemical techniques. The mineralogy and stable isotopic compositions defined three types of nodules, reflecting the conditions of carbonate precipitation. Nodule ingrowth...
Resource Type:: Article
Full Text:: ), 9^41. Ensminger, A., Albrecht, P., Ourisson, G., and Tissot, B., 1977. Evolution of polycyclic

Alkenones in sediments of Middle Valley, Leg 139 : application as thermal sensors

Creator:: Simoneit, Bernd R. T., Prahl, Fredrick, Leif, R. N., and Mao, S. Z.
Abstract:: The shallow sections of most holes drilled during Ocean Drilling Program Leg 139 contain alkenones derived from prymnesiophyte algae. The alkenones indicate a paleotemperature of the photic zone in the upper ocean during primary carbon fixation of 7°-15°C, with an average of 10.7°C. Based on laboratory hydrous pyrolyses these alkenones...
Resource Type:: Article
Full Text:: alkenones in Sample 139-858D-1H-1,0 cm. A. m/z 528 molecular weight of C 3 7 methylal- katrienone. B m/z 530

Effect of packing fraction on ferromagnetic resonance in NiFe2O4 nanocomposites

Creator:: Song, Han, Mulley, Sam, Coussens, Nathan, Dhagat, Pallavi, Jander, Albrecht, and Yokochi, Alexandre
Abstract:: Magnetic nanocomposites, composed of magnetic nanoparticles in an insulating matrix, can have properties not achievable in bulk, single-phase materials. This work reports on ferromagnetic resonance (FMR) measurements as a tool to investigate the internal magnetic field in nanocomposite samples of varying particle packing fractions. The ferromagnetic resonance frequency changes with...
Resource Type:: Article
Full Text:: nanocomposites Han Song, Sam Mulley, Nathan Coussens, Pallavi Dhagat,a) Albrecht Jander, and Alexandre Yokochi

ScholarsArchive@OSU

Measuring the inverse magnetostrictive effect in a thin film using a modified vibrating sample magnetometer

Toy model studies of tuning and typicality with an eye toward cosmology

Theoretical study of alignment dynamics of magnetic oblate spheroids in rotating magnetic fields

Writing magnetic patterns with surface acoustic waves

Fingered Flow in Two Dimensions 2. Predicting Finger Moisture Profile

Healthcare-Associated Infection and Hospital Readmission

Lipid/bitumen maturation by hydrothermal activity in sediments of Middle Valley, leg 139

Organic matter and carbon isotope composition of carbonate nodules and associated sediments from middle valley, leg 139

Alkenones in sediments of Middle Valley, Leg 139 : application as thermal sensors

Effect of packing fraction on ferromagnetic resonance in NiFe2O4 nanocomposites

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