Response to Comment on "Synthesis of Ultra-Incompressible Superhard Rhenium Diboride at Ambient Pressure"-Reference-Cited by-同舟云学术

Response to Comment on "Synthesis of Ultra-Incompressible Superhard Rhenium Diboride at Ambient Pressure"

Published:2007-12-07 Issue:5856 Volume:318 Page:1550-1550
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Chung Hsiu-Ying¹²³,Weinberger Michelle B.¹²³,Levine Jonathan B.¹²³,Cumberland Robert W.¹²³,Kavner Abby¹²³,Yang Jenn-Ming¹²³,Tolbert Sarah H.¹²³,Kaner Richard B.¹²³

Affiliation:

1. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA 90095–1569, USA.

2. Department of Materials Science and Engineering, University of California, Los Angeles, CA 90095–1567, USA.

3. Department of Earth and Space Sciences, University of California, Los Angeles, CA 90095–1567, USA.

Abstract

Dubrovinskaia et al . question our demonstration that rhenium diboride (ReB 2 ) is hard enough to scratch diamond. Here, we provide conclusive evidence of a scratch through atomic force microscopy depth profiling and elemental mapping. With high hardness, high-bulk modulus, and the ability to withstand extreme differential stress, ReB 2 and related materials should be investigated regardless of their cost, which is not prohibitive.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference11 articles.

1. N. Dubrovinskaia L. Dubrovinsky V. L. Solozhenko Science 318 1550 (2007); www.sciencemag.org/cgi/content/full/318/5856/1550c.

2. Synthesis of Ultra-Incompressible Superhard Rhenium Diboride at Ambient Pressure

3. Physical Properties of Diamond 1965

4. The friction of solids at very high speeds I. Metal on metal; II. Metal on diamond

5. S. Tolansky, V. R. Howes, Proc. Phys. Soc.70, 521 (1956).

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