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909 results on '"Swanson, B."'

13. Pressure Tuning of the Charge Density Wave in the Halogen-Bridged Transition-Metal (MX) Solid $Pt_2Br_6(NH_3)_4$

Author

Kanner, G. S., Gammel, J. Tinka, Love, S. P., Johnson, S. R., Scott, B., and Swanson, B. I.

Subjects
Condensed Matter
Abstract

We report the pressure dependence up to 95 kbar of Raman active stretching modes in the quasi-one-dimensional MX chain solid $Pt_2Br_6(NH_3)_4$. The data indicate that a predicted pressure-induced insulator-to-metal transition does not occur, but are consistent with the solid undergoing either a three-dimensional structural distortion, or a transition from a charge-density wave to another broken-symmetry ground state. We show that such a transition cacan be well-modeled within a Peierls-Hubbard Hamiltonian. 1993 PACS: 71.30.+h, 71.45.Lr, 75.30.Fv, 78.30.-j, 81.40.Vw, Comment: 4 pages, ReVTeX 3.0, figures available from the authors on request (Gary Kanner, 111456@INCDP3.Lanl.GOV), to be published in Phys Rev B Rapid Commun, REVISION: minor typos corrected, LA-UR-94-2462

Published
1994
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14. Photoinduced charge separation in Q1D heterojunction materials: Evidence for electron-hole pair separation in mixed-halide $MX$ solids

Author

Worl, L. A., Huckett, S. C., Swanson, B. I., Saxena, A., Bishop, A. R., and Gammel, J. Tinka

Subjects
Condensed Matter
Abstract

Resonance Raman experiments on doped and photoexcited single crystals of mixed-halide $MX$ complexes ($M$=Pt; $X$=Cl,Br) clearly indicate charge separation: electron polarons preferentially locate on PtBr segments while hole polarons are trapped within PtCl segments. This polaron selectivity, potentially very useful for device applications, is demonstrated theoretically using a discrete, 3/4-filled, two-band, tight-binding, extended Peierls-Hubbard model. Strong hybridization of the PtCl and PtBr electronic bands is the driving force for separation., Comment: n LaTeX, figures available by mail from JTG (gammel@peanuts.nosc.mil)

Published
1992
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19. Documentation of surface fault rupture and ground-deformation features produced by the 4 and 5 July 2019 Mw6.4 and Mw7.1 ridgecrest earthquake sequence

Author

Ponti, DJ, Ponti, DJ, Blair, JL, Rosa, CM, Thomas, K, Pickering, AJ, Akciz, S, Angster, S, Avouac, JP, Bachhuber, J, Bacon, S, Barth, N, Bennett, S, Blake, K, Bork, S, Brooks, B, Bullard, T, Burgess, P, Chupik, C, Dawson, T, Michael DeFrisco, Delano, J, Stephen DeLong, Dolan, J, Donnellan, A, Christopher DuRoss, Ericksen, T, Frost, E, Funning, G, Gold, R, Graehl, N, Gutierrez, C, Haddon, E, Hatem, A, Helms, J, Hernandez, J, Hitchcock, C, Holland, P, Hudnut, K, Kendrick, K, Koehler, R, Kozaci, O, Ladinsky, T, Leeper, R, Madugo, C, Mareschal, M, James McDonald, Devin McPhillips, Milliner, C, Mongovin, D, Morelan, A, Nale, S, Nevitt, J, O'Neal, M, Olson, B, Oskin, M, Padilla, S, Patton, J, Philibosian, B, Pierce, I, Pridmore, C, Roth, N, Sandwell, D, Scharer, K, Seitz, G, Singleton, D, Smith-Konter, B, Spangler, E, Swanson, B, Jobe, JT, Treiman, J, Valencia, F, Vanderwal, J, Williams, A, Xu, X, Zachariasen, J, Zimmerman, J, Zinke, R, Ponti, DJ, Ponti, DJ, Blair, JL, Rosa, CM, Thomas, K, Pickering, AJ, Akciz, S, Angster, S, Avouac, JP, Bachhuber, J, Bacon, S, Barth, N, Bennett, S, Blake, K, Bork, S, Brooks, B, Bullard, T, Burgess, P, Chupik, C, Dawson, T, Michael DeFrisco, Delano, J, Stephen DeLong, Dolan, J, Donnellan, A, Christopher DuRoss, Ericksen, T, Frost, E, Funning, G, Gold, R, Graehl, N, Gutierrez, C, Haddon, E, Hatem, A, Helms, J, Hernandez, J, Hitchcock, C, Holland, P, Hudnut, K, Kendrick, K, Koehler, R, Kozaci, O, Ladinsky, T, Leeper, R, Madugo, C, Mareschal, M, James McDonald, Devin McPhillips, Milliner, C, Mongovin, D, Morelan, A, Nale, S, Nevitt, J, O'Neal, M, Olson, B, Oskin, M, Padilla, S, Patton, J, Philibosian, B, Pierce, I, Pridmore, C, Roth, N, Sandwell, D, Scharer, K, Seitz, G, Singleton, D, Smith-Konter, B, Spangler, E, Swanson, B, Jobe, JT, Treiman, J, Valencia, F, Vanderwal, J, Williams, A, Xu, X, Zachariasen, J, Zimmerman, J, and Zinke, R

Abstract

The Mw 6.4 and Mw 7.1 Ridgecrest earthquake sequence occurred on 4 and 5 July 2019 within the eastern California shear zone of southern California. Both events produced extensive surface faulting and ground deformation within Indian Wells Valley and Searles Valley. In the weeks following the earthquakes, more than six dozen scientists from government, academia, and the private sector carefully documented the surface faulting and ground-deformation features. As of December 2019, we have compiled a total of more than 6000 ground observations; approximately 1500 of these simply note the presence or absence of fault rupture or ground failure, but the remainder include detailed descriptions and other documentation, including tens of thousands of photographs. More than 1100 of these observations also include quantitative field measurements of displacement sense and magnitude. These field observations were supplemented bymapping of fault rupture and ground-deformation features directly in the field as well as by interpreting the location and extent of surface faulting and ground deformation from optical imagery and geodetic image products. We identified greater than 68 km of fault rupture produced by both earthquakes aswell as numerous sites of ground deformation resulting from liquefaction or slope failure. These observations comprise a dataset that is fundamental to understanding the processes that controlled this earthquake sequence and for improving earthquake hazard estimates in the region. This article documents the types of data collected during postearthquake field investigations, the compilation effort, and the digital data products resulting from these efforts.

Published
2020

41. High pressure treatment of milk and effects on microbiological and sensory quality of cheddar cheese

Author

Drake, M.A., Harrison, S.L., Asplund, M., Barbosa-Canovas, G., and Swanson, B.

Subjects
Cheese -- Production processes, High pressure (Science) -- Usage, Business, Food/cooking/nutrition
Abstract

The effects of high pressure treatment of milk on the microbiological and sensory quality, and yield of Cheddar cheese, were examined. Moisture and weight yields of pressure treated milk cheeses were higher than for pasteurized or raw milk cheeses. High pressure treatment is a promising alternative to heat pasteurization.

Published
1997

43. Energy management analysis of lunar oxygen production

Author

Fazzolari, R and Wong-Swanson, B. G

Subjects
Inorganic And Physical Chemistry
Abstract

Energy load models in the process of hydrogen reduction of ilmenite for lunar oxygen production are being developed. The load models will be used as a first step to ultimately determine the optimal energy system needed to supply the power requirements for the process. The goal is to determine the energy requirements in the process of hydrogen reduction of ilmenite to produce oxygen. The general approach is shown, and the objectives are to determine the energy loads of the processes in the system. Subsequent energy management studies will be made to minimize the system losses (irreversibilities) and to design optimal energy system power requirements. A number of processes are being proposed as possible candidates for lunar application and some detailed experimental efforts are being conducted within this project at the University of Arizona. Priorities are directed toward developing the energy models for each of the proposed processes being considered. The immediate goals are to identify the variables that would impact energy requirements and energy sources of supply.

Published
1990

44. Basic Research Needs for Countering Terrorism

Author

Stevens, W., primary, Michalske, T., additional, Trewhella, J., additional, Makowski, L., additional, Swanson, B., additional, Colson, S., additional, Hazen, T., additional, Roberto, F., additional, Franz, D., additional, Resnick, G., additional, Jacobson, S., additional, Valdez, J., additional, Gourley, P., additional, Tadros, M., additional, Sigman, M., additional, Sailor, M., additional, Ramsey, M., additional, Smith, B., additional, Shea, K., additional, Hrbek, J., additional, Rodacy, P., additional, Tevault, D., additional, Edelstein, N., additional, Beitz, J., additional, Burns, C., additional, Choppin, G., additional, Clark, S., additional, Dietz, M., additional, Rogers, R., additional, Traina, S., additional, Baldwin, D., additional, Thurnauer, M., additional, Hall, G., additional, Newman, L., additional, Miller, D., additional, Kung, H., additional, Parkin, D., additional, Shuh, D., additional, Shaw, H., additional, Terminello, L., additional, Meisel, D., additional, Blake, D., additional, Buchanan, M., additional, Roberto, J., additional, Carling, R., additional, Samara, G., additional, Sasaki, D., additional, Pianetta, P., additional, Faison, B., additional, Thomassen, D., additional, Fryberger, T., additional, Kiernan, G., additional, Kreisler, M., additional, Morgan, L., additional, Hicks, J., additional, Dehmer, J., additional, Kerr, L., additional, and Mays, J., additional

Published
2002
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47. Etiological Factors

Author

Willis, Diane J., Swanson, B. Marion, Walker, C. Eugene, Ollendick, Thomas H., editor, and Hersen, Michel, editor

Published
1983
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50. Separation science and technology

Author

Smith, B.F., primary, Sauer, N., additional, Chamberlin, R.M., additional, Gottesfeld, S., additional, Mattes, B.R., additional, Li, D.Q., additional, and Swanson, B., additional

Published
1998
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