Nguyen, VD[Nguyen Van Duy]; Nguyen, VH[Nguyen Van Hieu]; Pham, TH[Pham Thanh Huy]; Nguyen, DC[Nguyen Duc Chien]; Thamilselvan, M[Thamilselvan, M.]; Yi, J[Yi, Junsin]
ArticleIssue Date2008CitationPHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES, v.41, no.2, pp.258 - 263PublisherELSEVIER SCIENCE BV