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About the Cover
Polycrystalline diamond balls grown at high supersaturation using combined hot filament and microwave plasma-assisted deposition. The source gas was 1.5% methane in hydrogen at 10 torr. The diameter of the balls is approximately 18 micrometers. See page 913. [Scanning electron microphoto is courtesy of Thomas Anthony, General Electric Corp., Schenectady, NY] |
Science. ISSN 0036-8075 (print), 1095-9203 (online)
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