Search Results - "BIRKEL, S."

Rapid Microwave Preparation of Highly Efficient Ce3+-Substituted Garnet Phosphors for Solid State White Lighting by Birkel, Alexander, Denault, Kristin A, George, Nathan C, Doll, Courtney E, Héry, Bathylle, Mikhailovsky, Alexander A, Birkel, Christina S, Hong, Byung-Chul, Seshadri, Ram

“…Ce3+-substituted aluminum garnet compounds of yttrium (Y3Al5O12) and lutetium (Lu3Al5O12)both important compounds in the generation of (In,Ga)N-based solid…”
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Ice Core Records of West Greenland Melt and Climate Forcing by Graeter, K. A., Osterberg, E. C., Ferris, D. G., Hawley, R. L., Marshall, H. P., Lewis, G., Meehan, T., McCarthy, F., Overly, T., Birkel, S. D.

“…Remote sensing observations and climate models indicate that the Greenland Ice Sheet (GrIS) has been losing mass since the late 1990s, mostly due to enhanced…”
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Extending the Chemistry of Layered Solids and Nanosheets: Chemistry and Structure of MAX Phases, MAB Phases and MXenes by Kubitza, Niels, Büchner, Carina, Sinclair, Jordan, Snyder, Rose M., Birkel, Christina S.

“…MAX phases are layered solids with unique properties combining characteristics of ceramics and metals. MXenes are their two‐dimensional siblings that can be…”
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Rapid Microwave Preparation of Thermoelectric TiNiSn and TiCoSb Half-Heusler Compounds by Birkel, Christina S, Zeier, Wolfgang G, Douglas, Jason E, Lettiere, Bethany R, Mills, Carolyn E, Seward, Gareth, Birkel, Alexander, Snedaker, Matthew L, Zhang, Yichi, Snyder, G. Jeffrey, Pollock, Tresa M, Seshadri, Ram, Stucky, Galen D

“…The 18-electron ternary intermetallic systems TiNiSn and TiCoSb are promising for applications as high-temperature thermoelectrics and comprise earth-abundant,…”
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Twentieth century dust lows and the weakening of the westerly winds over the Tibetan Plateau by Grigholm, B., Mayewski, P. A., Kang, S., Zhang, Y., Morgenstern, U., Schwikowski, M., Kaspari, S., Aizen, V., Aizen, E., Takeuchi, N., Maasch, K. A., Birkel, S., Handley, M., Sneed, S.

“…Understanding past atmospheric dust variability is necessary to put modern atmospheric dust into historical context and assess the impacts of dust on the…”
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The 1200 year composite ice core record of Aleutian Low intensification by Osterberg, E. C., Winski, D. A., Kreutz, K. J., Wake, C. P., Ferris, D. G., Campbell, S., Introne, D., Handley, M., Birkel, S.

“…Future changes in North Pacific wintertime climate will be largely determined by the response of the Aleutian Low (ALow) pressure system to anthropogenic…”
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Going to Extremes: Installing the World’s Highest Weather Stations on Mount Everest by Matthews, T., Perry, L. B., Koch, I., Aryal, D., Khadka, A., Shrestha, D., Abernathy, K., Elmore, A. C., Seimon, A., Tait, A., Elvin, S., Tuladhar, S., Baidya, S. K., Potocki, M., Birkel, S. D., Kang, S., Sherpa, T. C., Gajurel, A., Mayewski, P. A.

“…As the highest mountain on Earth, Mount Everest is an iconic peak that offers an unrivalled natural platform for measuring ongoing climate change across the…”
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Enhanced thermoelectric properties of bulk TiNiSn via formation of a TiNi2Sn second phase by Douglas, Jason E., Birkel, Christina S., Miao, Mao-Sheng, Torbet, Chris J., Stucky, Galen D., Pollock, Tresa M., Seshadri, Ram

“…The effect of phase-segregated Heusler TiNi2Sn on high temperature thermoelectric properties of bulk half-Heusler TiNiSn has been studied. In samples expressed…”
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A Mesoporous Anisotropic n-Type Bi2Te3 Monolith with Low Thermal Conductivity as an Efficient Thermoelectric Material by Zhang, Yichi, Day, Tristan, Snedaker, Matthew L., Wang, Heng, Krämer, Stephan, Birkel, Christina S., Ji, Xiulei, Liu, Deyu, Snyder, G. Jeffrey, Stucky, Galen D.

“…A mesoporous Bi2Te3 monolith with ≈20% porosity is fabricated by hot‐pressing mesoporous powders. The mesostructures are able to transport carriers and scatter…”
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Centennial-scale variability of the Southern Hemisphere westerly wind belt in the eastern Pacific over the past two millennia by Koffman, B. G, Kreutz, K. J, Breton, D. J, Kane, E. J, Winski, D. A, Birkel, S. D, Kurbatov, A. V, Handley, M. J

“…We present the first high-resolution (sub-annual) dust particle data set from West Antarctica, developed from the West Antarctic Ice Sheet (WAIS) Divide deep…”
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Shape Control of MAX Phases by Biopolymer Sol–Gel Synthesis: Cr2GaC Thick Films, Microspheres, and Hollow Microspheres by Siebert, Jan P, Flores, Matthew, Birkel, Christina S

“…The class of MAX phases represents intriguing materials, as they combine ceramic and metallic properties quite exotically. Although many potential areas of…”
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Structural disorder, magnetism, and electrical and thermoelectric properties of pyrochlore Nd2Ru2O7 by Gaultois, Michael W, Barton, Phillip T, Birkel, Christina S, Misch, Lauren M, Rodriguez, Efrain E, Stucky, Galen D, Seshadri, Ram

“…Polycrystalline Nd2Ru2O7 samples have been prepared and examined using a combination of structural, magnetic, and electrical and thermal transport studies…”
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Spectroscopic Signature of the Superparamagnetic Transition and Surface Spin Disorder in CoFe2O4 Nanoparticles by Sun, Qi -C, Birkel, Christina S, Cao, Jinbo, Tremel, Wolfgang, Musfeldt, Janice L

“…Phonons are exquisitely sensitive to finite length scale effects in a wide variety of materials. To investigate confinement in combination with strong…”
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Evaluation of Reanalysis Temperature and Precipitation for the Andean Altiplano and Adjacent Cordilleras by Birkel, S. D., Mayewski, P. A., Perry, L. B., Seimon, A., Andrade‐Flores, M.

“…This study compares temperature, precipitation, and other climate variables from six widely used climate reanalysis products to inform ice‐core climate proxy…”
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Holocene warming marked by abrupt onset of longer summers and reduced storm frequency around Greenland by MAYEWSKI, P. A., SNEED, S. B., BIRKEL, S. D., KURBATOV, A. V., MAASCH, K. A.

“…ABSTRACT The abrupt climate shifts identified in Greenland ice cores transformed understanding of the climate system. Although primarily studied in the…”
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Solution Synthesis of Nanoparticular Binary Transition Metal Antimonides by Kieslich, Gregor, Birkel, Christina S, Stewart, Andrew, Kolb, Ute, Tremel, Wolfgang

“…The preparation of nanoengineered materials with controlled nanostructures, for example, with an anisotropic phase segregated structure or a regular…”
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Silicon-Based Thermoelectrics Made from a Boron-Doped Silicon Dioxide Nanocomposite by Snedaker, Matthew L, Zhang, Yichi, Birkel, Christina S, Wang, Heng, Day, Tristan, Shi, Yifeng, Ji, Xiulei, Kraemer, Stephan, Mills, Carolyn E, Moosazadeh, Armin, Moskovits, Martin, Snyder, G. Jeffrey, Stucky, Galen D

“…We report a method for preparing p-type silicon germanium bulk alloys directly from a boron-doped silica germania nanocomposite. This is the first successful…”
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Raman Thermometry for Temperature Assessment of Inorganic Transformations During Microwave Heating by Jamboretz, John, Birkel, Christina S.

“…ABSTRACT Microwave heating is an intriguing method for the synthesis of inorganic solids offering a variety of advantages over conventional furnace heating,…”
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Potential for Southern Hemisphere climate surprises by MAYEWSKI, P. A., BRACEGIRDLE, T., GOODWIN, I., SCHNEIDER, D., BERTLER, N. A. N., BIRKEL, S., CARLETON, A., ENGLAND, M. H., KANG, J-H., KHAN, A., RUSSELL, J., TURNER, J., VELICOGNA, I.

“…ABSTRACT Climate model results suggest that future climate change in Antarctica will be accompanied by continued strengthening and poleward contraction of the…”
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UNDERSTANDING DECISION CONTEXT TO IMPROVE HEAT HEALTH INFORMATION by Jones, Hunter M., Mecray, E. L., Birkel, S. D., Conlon, K. C., Kinney, P. L., Silva, V. B. S., Solecki, W., Rogers, T. M. Surgeon

“…The workshop and its work products are part of the National Integrated Heat Health Information System, which was jointly launched by the National Oceanic and…”
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