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Application of Diamond Nanoparticles in Low-Energy Neutron Physics
Institut Laue-Langevin, 6 rue Jules Horowitz, Grenoble, F-38046, France
Joint Institute for Nuclear Research, 6 Joliot Curie, Dubna, Moscow reg., 141980, Russia
Laboratoire de Physique Subatomique et de Cosmologie, UJF Grenoble 1, CNRS/IN2P3, Grenoble INP, 53 rue des Martyrs, Grenoble, F-38026, France
Research Institute of Materials Technology, Presnenskii val, 21/18, Moscow, 123557, Russia
* Author to whom correspondence should be addressed.
Received: 4 January 2010; in revised form: 9 February 2010 / Accepted: 8 March 2010 / Published: 10 March 2010
Abstract: Diamond, with its exceptionally high optical nuclear potential and low absorption cross-section, is a unique material for a series of applications in VCN (very cold neutron) physics and techniques. In particular, powder of diamond nanoparticles provides the best reflector for neutrons in the complete VCN energy range. It allowed also the first observation of quasi-specular reflection of cold neutrons (CN) from disordered medium. Effective critical velocity for such a quasi-specular reflection is higher than that for the best super-mirror. Nano-diamonds survive in high radiation fluxes; therefore they could be used, under certain conditions, in the vicinity of intense neutron sources.
Keywords: diamond nanoparticles; slow neutrons; neutron albedo
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Nesvizhevsky, V.; Cubitt, R.; Lychagin, E.; Muzychka, A.; Nekhaev, G.; Pignol, G.; Protasov, K.; Strelkov, A. Application of Diamond Nanoparticles in Low-Energy Neutron Physics. Materials 2010, 3, 1768-1781.
Nesvizhevsky V, Cubitt R, Lychagin E, Muzychka A, Nekhaev G, Pignol G, Protasov K, Strelkov A. Application of Diamond Nanoparticles in Low-Energy Neutron Physics. Materials. 2010; 3(3):1768-1781.
Nesvizhevsky, Valery; Cubitt, Robert; Lychagin, Egor; Muzychka, Alexei; Nekhaev, Grigory; Pignol, Guillaume; Protasov, Konstantin; Strelkov, Alexander. 2010. "Application of Diamond Nanoparticles in Low-Energy Neutron Physics." Materials 3, no. 3: 1768-1781.