In this method, the particles are treated with ammonia gas to get the nitrogen into the crystal structure. Alternatively, iron oxide can be mixed with ammonium nitrate in a planetary ball mill ...

Strain gauges that change colour when stressed, bright backlight-free displays and highly sensitive biological sensors are all potential applications of tunable photonic crystal materials ...

Reduction is the gain of electrons by a substance. It is also the loss of oxygen from a substance. For example, copper(II) oxide can be reduced to form copper when it reacts with hydrogen: ...

In the blast furnace, it is so hot that carbon monoxide can be used, in place of carbon, to reduce the iron(III) oxide: iron(III) oxide + carbon monoxide → iron + carbon dioxide The blast ...

Hexagonal close packing is one of two crystal structures that derive from stacking close-packed-planes of hard sphere atoms. In the HCP structure only two stacking ...

When iron (Fe) atoms replace some of the silicon (Si) atoms in quartz’s crystal structure ... which is essentially aluminum ...

More than 4,000 naturally occurring minerals—inorganic solids that have a characteristic chemical composition and specific crystal structure ... tin, iron, marble, and granite.

It melts at 1410 C. The electronic configuration of the silicon atom is: (Ne)(3s) 2 (3p) 2, and the atomic radius is 0.132 nm. Silicon has the diamond cubic crystal structure with a lattice parameter ...

Particle edges are corrugated due to a misalignment in its crystal structure between the iron-rich octahedral layers and the silica-rich tetrahedral layers. "It produces a series of parallel ...

Chemical biology: development of novel molecular probes for DNA sequencing analysis and disease gene discovery Medicinal chemistry: development of new imaging and therapeutic agents towards cancer and ...

The government made the possession of nitrous oxide, or laughing gas, a criminal offence in England and Wales, as part of plans to tackle anti-social behaviour. Its use soared during the pandemic ...