Transitions in the orientational order of liquid crystals induced by periodic patterned substrates - Bechtold, Ivan Helmuth; Batalioto, Fernando; Thieghi, Leila Thomazelli; Honda, Bruno Silveira Lima; Pojar, Mariana; Schoenmaker, Jeroen; Santos, Antonio Domingues dos; Zucolotto, Valtencir; Balogh, Débora Terezia; Oliveira Junior, Osvaldo Novais de; Oliveira, Elisabeth Andreoli de (Physical Review E, 2006)