Zobrazeno 1 - 10
of 136
pro vyhledávání: '"Venkata G. K. M. Pisipati"'
Autor:
P. Pardhasaradhi, M. C. Rao, P. Jayaprada, B. T. P. Madhav, R. K. N. R. Manepalli, Venkata G. K. M. Pisipati, G. Giridhar
Publikováno v:
Molecular Crystals and Liquid Crystals. 689:10-33
In the present work, characterization studies are carried out on liquid crystalline (LC) p-n-propoxy benzoic acid (3oba), p-n-propyl benzoic acid (3ba) and the mixture of these two benzoic ...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dce4062a237b3f5a793ad82cddf95318
https://doi.org/10.1080/15421406.2019.1670942
https://doi.org/10.1080/15421406.2019.1670942
Autor:
Putcha Srinivasa Sastry, Pokkunuri Pardhasaradhi, Venkata G. K. M. Pisipati, Chintalapati Srinivas
Publikováno v:
Journal of Surface Engineered Materials and Advanced Technology. :134-148
n.m, n.Om, nO.m and nO.Om compounds play an important role in the fundamental and applied aspects. As a part of our systematic studies of the above homologous series regarding the synthesis, characterization and phase transition studies, here the aut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ab05fa1cab5418b06b6da99b1f0098d
https://doi.org/10.4236/jsemat.2016.63013
https://doi.org/10.4236/jsemat.2016.63013
Autor:
D. Madhavi Latha, Pokkunuri Pardhasaradhi, Venkata G. K. M. Pisipati, M. Saraswathi, P.V. Datta Prasad
Publikováno v:
JOURNAL OF ADVANCES IN PHYSICS. 2:38-47
Dilatometric studies are carried out on the synthesized N-(4-butyloxy benzylidene)-4-alkoxy anilines, 4O.Om compounds with the m = 3 to 7 and 9. Characterization of these compounds is done using the polarizing microscope attached with a hot stage. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::acdbb3a3060c8ac7f4b050daf353fe0c
https://doi.org/10.24297/jap.v2i1.2101
https://doi.org/10.24297/jap.v2i1.2101
Publikováno v:
Molecular Crystals and Liquid Crystals. 528:49-63
Alkoxy benzoic acids are well-known liquid-crystalline compounds with nematic phase of long thermal ranges. The refractive indices measurements are carried out using a wedge-shaped cell with the help of a modified spectrometer. The birefringence (δn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6398e61b95ebe5e3954bb6216f6bb26
https://doi.org/10.1080/15421406.2010.504515
https://doi.org/10.1080/15421406.2010.504515
Publikováno v:
Journal of Molecular Liquids. 156:120-123
Different thermodynamic parameters such as Sharma parameter ( S o ), Huggins parameter ( F ), reduced volume ( V ∼ ), reduced compressibility ( V ∼ C1 ) etc., are estimated from the volume expansion coefficient ( α ) for N-( p-n -alkoxybenzylide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3ed9130f76d7d197df3bfe13387bc9a6
https://doi.org/10.1016/j.molliq.2010.05.021
https://doi.org/10.1016/j.molliq.2010.05.021
Autor:
Venkata G. K. M. Pisipati, Sunkara Padmaja, M. Srinivasulu, Dakshina Murthy Potukuchi, Narayanan Ajita, Sriram Ramchandra Girish
Publikováno v:
Zeitschrift für Naturforschung A. 65:733-744
Design and characterization of Schiff based liquid crystalline nO.m compounds exhibiting hexagonal smectic phases are reported. Crystallization kinetics investigations are carried out in the liquid crystals (LCs) exhibiting hexagonal ordered orthogon
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4fa5150f0da2951687c5fa1bf5f07069
https://doi.org/10.1515/zna-2010-8-916
https://doi.org/10.1515/zna-2010-8-916
Autor:
B. T. P. Madhav, Venkata G. K. M. Pisipati, D. Madhavi Latha, K. Fakruddin, P.V. Datta Prasad, R. Jeevan Kumar
Publikováno v:
Molecular Crystals and Liquid Crystals. 524:102-118
The variation of density with temperature in four compounds, N-(p-n-octyloxybenzylidene)-p-n-alkylanilines, 8O.Om's, viz. N-(p-n-octyloxybenzylidene)-p-n-propoxyaniline, 8O.O3, N-(p-n-octyloxybenzylidene)-p-n-butylaniline, 8O.O4, N-(p-n-octyloxybenzy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e5272ce138db8060977fef435136d73
https://doi.org/10.1080/15421406.2010.484614
https://doi.org/10.1080/15421406.2010.484614
Publikováno v:
Zeitschrift für Naturforschung A. 65:335-341
The tri critical point (TCP), where the second-order transition transforms to first order has been located in nO.m homologous series. The order parameter has been estimated from the birefringence δn, from the refractive indices and from birefringenc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0df1b255f302db347675d9c86611368
https://doi.org/10.1515/zna-2010-0410
https://doi.org/10.1515/zna-2010-0410
Autor:
B. Sreedevi, D. M. Potukuchi, P. V. Chalapathi, Venkata G. K. M. Pisipati, V. K. M. Kotikalapudi
Publikováno v:
Molecular Crystals and Liquid Crystals. 515:71-98
Isotropic to chiral nematic (IN*) and chiral nematic to chiral SmC(N*C*) transitions are studied by LF dielectric method in a hydrogen bonded ferroelectric liquid crystal, viz., 12 bpa. They agree with TM and DSC reports. Tilt angle, electro-clinic e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47d0ce773b6c412bad23cba52cc88e8f
https://doi.org/10.1080/15421400903290378
https://doi.org/10.1080/15421400903290378
Publikováno v:
Molecular Crystals and Liquid Crystals. 506:13-21
Different experimental methods are available to determine the order parameter in nematic liquid crystals. However, all these methods are not applicable and useful for the determination of order parameter in liquid crystalline phases other than nemati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bbbb26b01df9bd5dd262efa91cfa1d1
https://doi.org/10.1080/15421400902841320
https://doi.org/10.1080/15421400902841320