Search Results - "Weber, J. K. Richard"

Network topology for the formation of solvated electrons in binary CaO–Al₂O₃ composition glasses by Akola, Jaakko, Kohara, Shinji, Ohara, Koji, Fujiwara, Akihiko, Watanabe, Yasuhiro, Masuno, Atsunobu, Usuki, Takeshi, Kubo, Takashi, Nakahira, Atsushi, Nitta, Kiyofumi, Uruga, Tomoya, Weber, J K Richard, Benmore, Chris J

“…Glass formation in the CaO–Al ₂O ₃ system represents an important phenomenon because it does not contain typical network-forming cations. We have produced…”
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Acoustic levitation: recent developments and emerging opportunities in biomaterials research by Weber, Richard J. K., Benmore, Chris J., Tumber, Sonia K., Tailor, Amit N., Rey, Charles A., Taylor, Lynne S., Byrn, Stephen R.

“…Containerless sample environments (levitation) are useful for study of nucleation, supercooling, and vitrification and for synthesis of new materials, often…”
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Combined computational and experimental investigation of high temperature thermodynamics and structure of cubic ZrO2 and HfO2 by Hong, Qi-Jun, Ushakov, Sergey V., Kapush, Denys, Benmore, Chris J., Weber, Richard J. K., van de Walle, Axel, Navrotsky, Alexandra

“…Structure and thermodynamics of pure cubic ZrO 2 and HfO 2 were studied computationally and experimentally from their tetragonal to cubic transition…”
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Borate melt structure: Temperature‐dependent B–O bond lengths and coordination numbers from high‐energy X‐ray diffraction by Alderman, Oliver L. G., Benmore, Chris J., Lin, Alex, Tamalonis, Anthony, Weber, J. K. Richard

“…Borate melts containing <20 mol% Na2O have been studied using high‐energy synchrotron X‐ray diffraction. Temperature dependencies of the mean B–O bond lengths…”
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Joint diffraction and modeling approach to the structure of liquid alumina by Skinner, Lawrie B., Barnes, Adrian C., Salmon, Philip S., Hennet, Louis, Fischer, Henry E., Benmore, Chris J., Kohara, Shinji, Weber, J. K. Richard, Bytchkov, Aleksei, Wilding, Martin C., Parise, John B., Farmer, Thomas O., Pozdnyakova, Irina, Tumber, Sonia K., Ohara, Koji

“…The structure of liquid alumina at a temperature ~2400 K near its melting point was measured using neutron and high-energy x-ray diffraction by employing…”
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The Structure of Liquid and Amorphous Hafnia by Gallington, Leighanne C, Ghadar, Yasaman, Skinner, Lawrie B, Weber, J K Richard, Ushakov, Sergey V, Navrotsky, Alexandra, Vazquez-Mayagoitia, Alvaro, Neuefeind, Joerg C, Stan, Marius, Low, John J, Benmore, Chris J

“…Understanding the atomic structure of amorphous solids is important in predicting and tuning their macroscopic behavior. Here, we use a combination of…”
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Small- and Wide-Angle X‑ray Scattering Studies of Liquid–Liquid Phase Separation in Silicate Melts by Benmore, Chris J, Alderman, Oliver L. G, Benmore, Sophie R, Wilke, Stephen K, Weber, Richard J. K

“…Incongruent liquid–liquid phase separation is a common phenomenon in molten oxides, but there are few structural studies as a result of the high temperatures…”
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Deviation from high-entropy configurations in the atomic distributions of a multi-principal-element alloy by Santodonato, Louis J., Zhang, Yang, Feygenson, Mikhail, Parish, Chad M., Gao, Michael C., Weber, Richard J.K., Neuefeind, Joerg C, Tang, Zhi, Liaw, Peter K

“…The alloy-design strategy of combining multiple elements in near-equimolar ratios has shown great potential for producing exceptional engineering materials,…”
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In‐situ determination of the HfO2–Ta2O5‐temperature phase diagram up to 3000°C by McCormack, Scott J., Tseng, Kuo‐Pin, Weber, Richard J. K., Kapush, Denys, Ushakov, Sergey V., Navrotsky, Alexandra, Kriven, Waltraud M.

“…The previously unknown experimental HfO2–Ta2O5‐temperature phase diagram has been elucidated up to 3000°C using a quadrupole lamp furnace and conical nozzle…”
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Probing disorder in pyrochlore oxides using in situ synchrotron diffraction from levitated solids–A thermodynamic perspective by Maram, Pardha S., Ushakov, Sergey V., Weber, Richard J. K., Benmore, Chris J., Navrotsky, Alexandra

“…Pyrochlore, an ordered derivative of the defect fluorite structure, shows complex disordering behavior as a function of composition, temperature, pressure, and…”
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In Situ High-Temperature Synchrotron Diffraction Studies of (Fe,Cr,Al)3O4 Spinels by Agca, Can, Neuefeind, Jörg C, McMurray, Jake W, Liu, Jue, Benmore, Chris J, Weber, Richard J. K, Navrotsky, Alexandra

“…The modeling of a loss-of-coolant-accident scenario involving nuclear fuels with FeCrAl cladding materials in consideration to replace a Zircaloy requires…”
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Glass Formation and Polyamorphism in Rare-Earth Oxide-Aluminum Oxide Compositions by Weber, J. K. Richard, Abadie, Johan G., Hixson, April D., Nordine, Paul C., Jerman, Gregory A.

“…We report formation of single‐ and two‐phase glasses from rare‐earth oxide–alumina materials. Liquids with the Y3Al5O12 and Er3Al5O12 compositions underwent a…”
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Structure and Thermal Expansion of YSZ and La2Zr2O7 Above 1500°C from Neutron Diffraction on Levitated Samples by Ushakov, Sergey V., Navrotsky, Alexandra, Weber, Richard J. K., Neuefeind, Joerg C.

“…High‐temperature time‐of‐flight neutron diffraction experiments were performed on cubic yttria‐stabilized zirconia (YSZ, 10 mol% YO1.5) and lanthanum zirconate…”
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In Situ High-Temperature Synchrotron Diffraction Studies of (Fe,Cr,Al) 3 O 4 Spinels by Agca, Can, Neuefeind, Jörg C, McMurray, Jake W, Liu, Jue, Benmore, Chris J, Weber, Richard J K, Navrotsky, Alexandra

“…The modeling of a loss-of-coolant-accident scenario involving nuclear fuels with FeCrAl cladding materials in consideration to replace a Zircaloy requires…”
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Reply to comments: “In‐situ determination of the HfO2‐Ta2O5‐temperature phase diagram up to 3000°C” by McCormack, Scott J., Tseng, Kuo‐Pin, Weber, Richard J. K., Kapush, Denys, Ushakov, Sergey V., Navrotsky, Alexandra, Kriven, Waltraud M.

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Structure and thermal expansion of Lu2O3 and Yb2O3 up to the melting points by Pavlik, Alfred, Ushakov, Sergey V., Navrotsky, Alexandra, Benmore, Chris J., Weber, Richard J.K.

“…Knowledge of thermal expansion and high temperature phase transformations is essential for prediction and interpretation of materials behavior under the…”
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Structure and Thermal Expansion of YSZ and La 2 Zr 2 O 7 Above 1500°C from Neutron Diffraction on Levitated Samples by Ushakov, Sergey V., Navrotsky, Alexandra, Weber, Richard J. K., Neuefeind, Joerg C.

“…High‐temperature time‐of‐flight neutron diffraction experiments were performed on cubic yttria‐stabilized zirconia (YSZ, 10 mol% YO 1.5 ) and lanthanum…”
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The Structure of Amorphous and Deeply Supercooled Liquid Alumina by Shi, Caijuan, Alderman, Oliver L. G., Berman, Diana, Du, Jincheng, Neuefeind, Joerg, Tamalonis, Anthony, Weber, J. K. Richard, You, Jinglin, Benmore, Chris J.

“…Liquid Al2O3 has been supercooled more than 500 K below its melting point (Tm = 2,327 K) using aerodynamic levitation and laser heating techniques. High energy…”
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The Containerless Synthesis of Glass by Weber, J. K. Richard

“…Glasses are commonly synthesized by cooling melts at a rate sufficient to prevent the nucleation of substantial amounts of crystalline phases. In the limit,…”
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Properties of high-temperature melts using levitation by Nordine, Paul C., Weber, J. K. Richard, Abadie, Johan G.

“…Containerless conditions allow well-controlled investigation of liquids at high temperatures. Levitation methods used for this purpose are reviewed, and their…”
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