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Your search keyword '"Struzhkin, Viktor"' showing total 12 results
Start Over Author "Struzhkin, Viktor" Journal science
12 results on '"Struzhkin, Viktor"'

5. Hydrogen Clusters in Clathrate Hydrate

Author

Mao, Wendy L., Mao, Ho-Kwang, Goncharov, Alexander F., Struzhkin, Viktor V., Guo, Quanzhong, Hu, Jingzhu, Shu, Jinfu, Hemley, Russell J., Somayazulu, Maddury, and Zhao, Yusheng

Published
2002

6. Superconductivity in Boron

Author

Eremets, Mikhail I., Struzhkin, Viktor V., Mao, Ho-kwang, and Hemley, Russell J.

Published
2001

11. TECHNICAL COMMENT ABSTRACTS.

Author

Goncharov, Alexander F., Struzhkin, Viktor V., Silvera, Isaac, Dias, Ranga, Liu, Xiao-Di, Dalladay-Simpson, Philip, Howie, Ross T., Li, Bing, Gregoryanz, Eugene, and Silvera, Isaac F.

Subjects
*HYDROGEN, *STATIC pressure
Published
2017

12. Spin Transition Zone in Earth's Lower Mantle.

Author

Jung-Fu Lin, Vankó, György, Jacobsen, Steven D., Iota, Valentin, Struzhkin, Viktor V., Prakapenka, Vitati B., Kuznetsov, Alexei, and Choong-Shik Yool

Subjects
*ELECTRONICS, *TRANSITION metals, *LIGAND field theory, *METAL-insulator transitions, *FORCE & energy, *PRESSURE, *THERMAL properties, *SPEED of sound, *EARTH'S mantle
Abstract

Mineral properties in Earth's lower mantle are affected by iron electronic states, but representative pressures and temperatures have not yet been probed. Spin states of iron in lower-mantle ferropericlase have been measured up to 95 gigapascals and 2000 kelvin with x-ray emission in a laser-heated diamond cell. A gradual spin transition of iron occurs over a pressure-temperature range extending from about 1000 kilometers in depth and 1900 kelvin to 2200 kilometers and 2300 kelvin in the lower mantle. Because low-spin ferropericlase exhibits higher density and faster sound velocities relative to the high-spin ferropericlase, the observed increase in low-spin (Mg,Fe)O at mid-lower mantle conditions would manifest seismically as a lower-mantle spin transition zone characterized by a steeper-than- normal density gradient. [ABSTRACT FROM AUTHOR]

Published
2007
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