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Call yourself hard?

Call yourself hard? NEWS & VIEWS Figure 2 Hysteresis loops for MATERIAL WITNESS ferroelectric single crystals. Ceramic Single crystal Polycrystalline ceramics and thin fi lms show that the maximum achievable polarization is largest for Those girls can flirt and other queer single crystals and smallest things can do. It’s not, these days, a very for thin fi lms. 0 acceptable mnemonic for remembering Friedrich Mohs’ ordering of minerals Thin film according to hardness (talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum and diamond). But there’s no doubt that diamond still ranks highest — 10 on Mohs’ ten-point scale. Knocking diamond off its pedestal has become something of an obsession. The usual Electric field justification for this quest is that superhard materials are industrially important for cutting and abrasion, and that even diamond is not perfect in this regard — it can ceramic BaTiO . Neutron diff raction measurements dissolve iron and so is of little use for shaping one of the also indicate that there are no noticeable 90° most widespread industrial materials, steel. reorientations during poling in tetragonal phase That shortcoming is accommodated by cubic boron PZT . Th is means that one cannot use ceramics in nitride — General http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Nature Materials Springer Journals

Call yourself hard?

Ball, Philip
Nature Materials , Volume 4 (10) – Oct 1, 2005
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Call yourself hard?

Abstract

NEWS & VIEWS Figure 2 Hysteresis loops for MATERIAL WITNESS ferroelectric single crystals. Ceramic Single crystal Polycrystalline ceramics and thin fi lms show that the maximum achievable polarization is largest for Those girls can flirt and other queer single crystals and smallest things can do. It’s not, these days, a very for thin fi lms. 0 acceptable mnemonic for remembering Friedrich Mohs’ ordering of minerals Thin film according to hardness (talc, gypsum,...
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References (2)

Publisher
Springer Journals
Copyright
Copyright © 2005 by Nature Publishing Group
Subject
Materials Science; Materials Science, general; Optical and Electronic Materials; Biomaterials; Nanotechnology; Condensed Matter Physics
ISSN
1476-1122
eISSN
1476-4660
DOI
10.1038/nmat1497
Publisher site
See Article on Publisher Site

Abstract

NEWS & VIEWS Figure 2 Hysteresis loops for MATERIAL WITNESS ferroelectric single crystals. Ceramic Single crystal Polycrystalline ceramics and thin fi lms show that the maximum achievable polarization is largest for Those girls can flirt and other queer single crystals and smallest things can do. It’s not, these days, a very for thin fi lms. 0 acceptable mnemonic for remembering Friedrich Mohs’ ordering of minerals Thin film according to hardness (talc, gypsum, calcite, fluorite, apatite, orthoclase, quartz, topaz, corundum and diamond). But there’s no doubt that diamond still ranks highest — 10 on Mohs’ ten-point scale. Knocking diamond off its pedestal has become something of an obsession. The usual Electric field justification for this quest is that superhard materials are industrially important for cutting and abrasion, and that even diamond is not perfect in this regard — it can ceramic BaTiO . Neutron diff raction measurements dissolve iron and so is of little use for shaping one of the also indicate that there are no noticeable 90° most widespread industrial materials, steel. reorientations during poling in tetragonal phase That shortcoming is accommodated by cubic boron PZT . Th is means that one cannot use ceramics in nitride — General

Journal

Nature Materials – Springer Journals

Published: Oct 1, 2005

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