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Elsevier, Solid State Sciences, 6(3), p. 733-740

DOI: 10.1016/s1293-2558(01)01181-5

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Re-crystallization of MNA under a strong dc electric field

Journal article published in 2001 by Elisabete Maria da Silva Marques Nogueira, Etelvina de Matos Gomes, E. Matos Gomes, Michael Scott Belsley ORCID, S. Lanceros-M??ndez, Jos?? Maria Cerqueira Cunha, José Maria Cerqueira Cunha, Alberto Criado Vega, João Filipe Colardelle da Luz Mano
This paper was not found in any repository, but could be made available legally by the author.
This paper was not found in any repository, but could be made available legally by the author.

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Abstract

Crystals of 2-methyl-4-nitroaniline were grown from solution while subjected to a dc electric field of 9.8??10[exponent4] Vm???1. This resulted in an alteration of the unit cell lattice parameters while the space group was modified from Cc to one of its subgroups Pc. The modified crystals display an increased second harmonic generation efficiency accompanied by a decrease in the dielectric permittivity as well as changes in the internal and external vibrational modes.