Osmium has the Lowest Experimentally Determined Compressibility

Cynn, Hyunchae; Klepeis, John E.; Yoo, Choong‐Shik; Young, David A.

doi:10.1103/physrevlett.88.135701

Cited by 201 publications

(159 citation statements)

References 27 publications

Supporting

Mentioning

134

Contrasting

Order By: Relevance

“…Thus, ADNRs are more than by 11% less compressible than normal diamond that makes it, an incompressible form of carbon. It has also the lowest experimentally determined compressibility 21 ͑compare with the highest K T measured so far: 462 GPa for Os, 420 GPa for WC, 383 GPa for Ir, 380 GPa for cubic BN, 306 GPa for HfN͒.…”

mentioning

confidence: 99%

Aggregated diamond nanorods, the densest and least compressible form of carbon

Dubrovinskaia

Dubrovinsky

Crichton

et al. 2005

Applied Physics Letters

101

View full text Add to dashboard Cite

We report the synthesis of aggregated diamond nanorods (ADNRs) from fullerene C60 at 20(1) GPa and 2200 °C using a multianvil apparatus. Individual diamond nanoroads are of 5–20 nm in diameter and longer than 1μm. The x-ray and measured density of ADNRs is ∼0.2%–0.4% higher than that of usual diamond. The extremely high isothermal bulk modulus KT=491(3)GPa [compare to KT=442(4)GPa of diamond] was obtained by in situ x-ray diffraction study. Thus, ADNRs is the densest among all carbon materials and it has the lowest so far experimentally determined compressibility.

show abstract

mentioning

confidence: 99%

Aggregated diamond nanorods, the densest and least compressible form of carbon

Dubrovinskaia

Dubrovinsky

Crichton

et al. 2005

Applied Physics Letters

101

View full text Add to dashboard Cite

show abstract

“…Osmium was once claimed to have a higher bulk modulus than diamond from the experiments performed with an Ar-pressure medium. 6) Later experiments with a He-pressure medium, however, gave bulk moduli obviously smaller than diamond. 7,8) As seen in Fig.…”

Section: Lattice Distortion Under Uniaxial Stressmentioning

confidence: 99%

Hydrostatic Experiments up to Ultrahigh Pressures

Takemura

2007

J. Phys. Soc. Jpn.

View full text Add to dashboard Cite

The development of the diamond-anvil-cell technology has enabled us to conduct in situ experiments at ultrahigh pressures. The current pressure limit reaches well beyond 200 GPa. The stress environment in such experiments is in general highly nonhydrostatic, and one has to be careful in evaluating the obtained data. Nonhydrostaticity affects the phase stability, transition pressures, equation of state, and various lattice properties. For detailed discussion of the change in physical properties with pressure, we have to realize hydrostatic or quasihydrostatic conditions. I describe our present understanding of the stress state of a sample compressed in a diamond-anvil cell, together with recent efforts for extending the pressure limit of hydrostatic experiments.

show abstract

“…It is Os, which was recently shown both theoretically and experimentally 10 to be less compressible than even diamond at elevated pressures. Os is extremely expensive, however, and Os back plates on power electronics is not a viable option.…”

Section: Pareto-optimal Alloysmentioning

confidence: 99%

Pareto-optimal alloys

Bligaard

Jóhannesson

Ruban

et al. 2003

Applied Physics Letters

View full text Add to dashboard Cite

Large databases that can be used in the search for new materials with specific properties remain an elusive goal in materials science. The search problem is complicated by the fact that the optimal material for a given application is usually a compromise between a number of materials properties and the price. In this letter we present a database consisting of the lattice parameters, bulk moduli, and heats of formation for over 64,000 ordered metallic alloys, which has been established by direct first-principles density-functional-theory calculations. Furthermore, we use a concept from economic theory, the Pareto-optimal set, to determine optimal alloy solutions for the compromise between low compressibility, high stability and price.Comment: 5 pages, 2 figures, To be published in Appl. Phys. Let

show abstract

Osmium has the Lowest Experimentally Determined Compressibility

Cited by 201 publications

References 27 publications

Aggregated diamond nanorods, the densest and least compressible form of carbon

Aggregated diamond nanorods, the densest and least compressible form of carbon

Hydrostatic Experiments up to Ultrahigh Pressures

Pareto-optimal alloys

Contact Info

Product

Resources

About