21. X-ray Diffraction by Polycrystalline Materials ", first published in 1955. 22. Titanium disulfide nanotubes have a higher uptake and discharge capacity than the polycrystalline structure. 23. They are also polycrystalline and often poorly crystallized; they are translucent and cleave easily. 24. The above method produces polycrystalline alloys, which suffer from an unacceptable level of creep. 25. But the resulting wires are still polycrystalline . 26. Common materials for tips include tungsten carbide, polycrystalline diamond, and cubic boron nitride. 27. Polycrystalline silicon carbide ( SiC ) is the most commonly used emitter for burner TPVs.28. Deal-Grove also fails for polycrystalline silicon ( " poly-silicon " ). 29. I've heard of polycrystalline silicon. 30. Anhedral crystals do not, usually because the crystal is one grain in a polycrystalline solid.
