期刊
SCIENCE
卷 314, 期 5799, 页码 636-638出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1132884
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When subjected to high pressure and extensive x-radiation, water (H2O) molecules cleaved, forming O - O and H - H bonds. The oxygen (O) and hydrogen (H) framework in ice VII was converted into a molecular alloy of O-2 and H-2. X-ray diffraction, x-ray Raman scattering, and optical Raman spectroscopy demonstrated that this crystalline solid differs from previously known phases. It remained stable with respect to variations in pressure, temperature, and further x-ray and laser exposure, thus opening new possibilities for studying molecular interactions in the hydrogen-oxygen binary system.
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