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Chinese scientists develop glass as hard as a diamond

Chinese scientists develop glass as hard as a diamond
thestar.com.my - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thestar.com.my Daily Mail and Mail on Sunday newspapers.

United States , National Science Reviewon , Professor Tian Yongjun , High Pressure Science , Yanshan University , ஒன்றுபட்டது மாநிலங்களில் , உயர் ப்ரெஶர் அறிவியல் ,

Dry metastable olivine and slab deformation in a wet subducting slab

Our results suggest that olivine and wadsleyite show dry transformation kinetics even in wet slabs. It is therefore possible that olivine transformation as a cause of deep-focus earthquakes and large slab deformation creating stagnant slabs could occur in the water-undersaturated wet slabs. These processes could be caused jointly by dehydration of hydrous minerals and the subsequent rapid phase transformation when the dehydration starts at lower temperatures than the phase transformation. ....

Eiji Otani , Takayuki Ishii Eiji Ohtani , Takayuki Ishii , Bavarian Institute Of Geosciences , University Of Bayreuth , High Pressure Science Technology Advanced Research , Tohoku University , High Pressure Science , Technology Advanced Research , Bavarian Institute , Eiji Ohtani , Nature Geoscience , Earth Science , Hydrology Water Resources , Plate Tectonics , Temperature Dependent Phenomena , தோஹோக்கு பல்கலைக்கழகம் , உயர் ப்ரெஶர் அறிவியல் , இயற்கை புவி அறிவியல் , பூமி அறிவியல் ,

Earth's deep mantle may have proton rivers made of superionic phases


March 9, 2021ScienceBlog.com
Pierfranco Demontis said in 1988, “Ice becomes a fast-ion conductor at high pressure and high temperatures,” but his prediction was only hypothetical until recently. After 30 years of study, superionic water ice was verified experimentally in 2018. Superionicity may eventually explain the strong magnetic field in giant planetary interiors.
What about Earth, whose interiors are also under extreme pressure and temperature conditions? Although three-quarters of Earth’s surface is covered by water, standalone water or ice rarely exists in Earth’s interiors. The most common unit of “water” is hydroxyl, which is associated with host minerals to make them hydrous minerals. Here, a research group led by Dr. Qingyang Hu, Dr. Duckyoung Kim, and Dr. Jin Liu from the Center for High Pressure Science and Technology Advanced Research discovered that one such hydrous mineral also enters an exotic superionic phase, similar to water ice in giant pla ....

Jin Liu , Pierfranco Demontis , Mingqiang Hou , Duckyoung Kim , Technology Advanced Research , High Pressure Science , Oh Raman , Nature Geoscience , ஜின் லியூ , உயர் ப்ரெஶர் அறிவியல் , ஓ ராமன் , இயற்கை புவி அறிவியல் ,

Earth's deep mantle may have proton rivers made of superionic phases

Earth's deep mantle may have proton rivers made of superionic phases
eurekalert.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from eurekalert.org Daily Mail and Mail on Sunday newspapers.

Jin Liu , Pierfranco Demontis , Mingqiang Hou , Duckyoung Kim , Technology Advanced Research , High Pressure Science , Oh Raman , Nature Geoscience , ஜின் லியூ , உயர் ப்ரெஶர் அறிவியல் , ஓ ராமன் , இயற்கை புவி அறிவியல் ,