2012 |
Lara, N; Aranda, P; Ruiz, A I; Manriquez, V; Ruiz-Hitzky, E Intercalation and Electrical Behavior of Taxmo1-Xs2 (X > 0.5) Layered Mixed Disulfides Artículo de revista Journal of the Brazilian Chemical Society, 23 (3), pp. 415-+, 2012, ISSN: 0103-5053. Resumen | Enlaces | BibTeX | Etiquetas: chalcogenides, complexes, conducting conductivity, dichalcogenides, encapsulation, intercalation, lithium molybdenum-disulfide, mos2, nanocomposites, peo, polymers, pyridine, solids sulfides, transition-metal @article{RN90, title = {Intercalation and Electrical Behavior of Taxmo1-Xs2 (X > 0.5) Layered Mixed Disulfides}, author = { N. Lara and P. Aranda and A.I. Ruiz and V. Manriquez and E. Ruiz-Hitzky}, url = {/brokenurl#<Go to ISI>://WOS:000302461200007}, doi = {10.1590/S0103-50532012000300007}, issn = {0103-5053}, year = {2012}, date = {2012-01-01}, journal = {Journal of the Brazilian Chemical Society}, volume = {23}, number = {3}, pages = {415-+}, abstract = {This work reports a systematic study of the structural and electrical behavior of three ternary phases of the TaxMo1-xS2 system (x = 0.55, 0.75 and 0.90) and their intercalation compounds resulting from both chemical and electrochemical lithium insertions, as well as from pyridine and poly(ethylene oxide) intercalations. The three ternary phases were prepared by direct reaction of their constituting elements, without any other additive, at 900 degrees C in inert atmosphere. The resulting compounds were characterized by means of X-ray powder diffractometry (XRD), thermogravimetric and differential thermal (TGA/DTA) analyses, energy dispersive X-ray fluorescence (EDX) and field emission-scanning electron microscopy (FE-SEM). The electrical conductivity of the different products was measured in the 1.5-300 K temperature range using the conventional four probe van der Pauw method in the presence of a 9 T magnetic field in order to verify the occurrence of magnetoresistivity phenomena.}, keywords = {chalcogenides, complexes, conducting conductivity, dichalcogenides, encapsulation, intercalation, lithium molybdenum-disulfide, mos2, nanocomposites, peo, polymers, pyridine, solids sulfides, transition-metal}, pubstate = {published}, tppubtype = {article} } This work reports a systematic study of the structural and electrical behavior of three ternary phases of the TaxMo1-xS2 system (x = 0.55, 0.75 and 0.90) and their intercalation compounds resulting from both chemical and electrochemical lithium insertions, as well as from pyridine and poly(ethylene oxide) intercalations. The three ternary phases were prepared by direct reaction of their constituting elements, without any other additive, at 900 degrees C in inert atmosphere. The resulting compounds were characterized by means of X-ray powder diffractometry (XRD), thermogravimetric and differential thermal (TGA/DTA) analyses, energy dispersive X-ray fluorescence (EDX) and field emission-scanning electron microscopy (FE-SEM). The electrical conductivity of the different products was measured in the 1.5-300 K temperature range using the conventional four probe van der Pauw method in the presence of a 9 T magnetic field in order to verify the occurrence of magnetoresistivity phenomena. |
2012 |
Intercalation and Electrical Behavior of Taxmo1-Xs2 (X > 0.5) Layered Mixed Disulfides Artículo de revista Journal of the Brazilian Chemical Society, 23 (3), pp. 415-+, 2012, ISSN: 0103-5053. |