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Title: Structural Studies of Langmuir-Blodgett (LB) Deposited TiO2(B) Nanosheets.

Abstract

Abstract not provided.

Authors:
; ; ; ; ;
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1116637
Report Number(s):
SAND2013-9346C
480609
DOE Contract Number:
AC04-94AL85000
Resource Type:
Conference
Resource Relation:
Conference: AVS 60th International Symposium&Exhibition%3CU%2B000b%3E held October 27 - November 1, 2013 in Long Beach, CA.; Related Information: Proposed for presentation at the AVS 60th International Symposium&Exhibition%3CU%2B000b%3E held October 27 - November 1, 2013 in Long Beach, CA.
Country of Publication:
United States
Language:
English

Citation Formats

Chan, Calvin, Biedermann, Laura, Kotula, Paul G., Kellogg, Gary L, Dylla, Anthony, and Stevenson, Keith. Structural Studies of Langmuir-Blodgett (LB) Deposited TiO2(B) Nanosheets.. United States: N. p., 2013. Web.
Chan, Calvin, Biedermann, Laura, Kotula, Paul G., Kellogg, Gary L, Dylla, Anthony, & Stevenson, Keith. Structural Studies of Langmuir-Blodgett (LB) Deposited TiO2(B) Nanosheets.. United States.
Chan, Calvin, Biedermann, Laura, Kotula, Paul G., Kellogg, Gary L, Dylla, Anthony, and Stevenson, Keith. Tue . "Structural Studies of Langmuir-Blodgett (LB) Deposited TiO2(B) Nanosheets.". United States. doi:.
@article{osti_1116637,
title = {Structural Studies of Langmuir-Blodgett (LB) Deposited TiO2(B) Nanosheets.},
author = {Chan, Calvin and Biedermann, Laura and Kotula, Paul G. and Kellogg, Gary L and Dylla, Anthony and Stevenson, Keith},
abstractNote = {Abstract not provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Oct 01 00:00:00 EDT 2013},
month = {Tue Oct 01 00:00:00 EDT 2013}
}

Conference:
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  • The Langmuir monolayer at an air-water interface shows remarkably different surface pressure – area isotherm, when measured with the surface normal of a Wilhemly plate parallel or perpendicular to the direction of compression of the monolayer. Such difference arises due to difference in stress exerted by the monolayer on the plate in different direction. In this article, we report the effect of changing the direction of substrate normal with respect to the compression of the monolayer during Langmuir-Blodgett (LB) film deposition on the morphology of the films. The morphology of the LB film of stearic acid was studied using anmore » atomic force microscope (AFM). The morphology of the LB films was found to be different due to difference in the stress in different directions.« less
  • Third-order nonlinear susceptibilities {chi}{sub xxxx}{sup (3)} (-3{omega}; {omega}, {omega}, {omega}) have been deduced by measuring third-harmonic generation in Langmuir-Blodgett (LB) films of 1-benzyl-9-hydrofullerene-60 (C{sub 60}-Be). The structural features of the condensed layer at the air-water interface and LB films of the C{sub 60}-Be were investigated by small angle x-ray diffraction (SAXD) and optical measurements. The third-order nonlinear susceptibilities ({chi}{sup (3)}) were obtained by measuring the THG intensities in LB films of C{sub 60}-Be and comparing with that of CS{sub 2} used as the reference. The value of {chi}{sub xxxx}{sup (3)} (2.1 x 10{sup -11} esu) was deduced at a 65more » nm thick films. The {chi}{sup (3)} is attributed to a three-photon near resonance at the energy level of 29410 cm{sup -1}. A new-type of two-chain amphiphilic molecule 1,10-bistearyl-4,6,13, 15-tetra-18-nitrogencrown-6 (NC) was used as insert material to construct mixed C{sub 60}-Be/NC LB films. Our {pi}-A, UV-visible absorption and SAXD measurements showed that the structural improvement in the mixed C{sub 60}-Be/NC LB films was realized by insertion of the C{sub 60}-Be molecules between the two hydrophobic chains of the NC molecules.« less
  • Infrared spectroscopic studies on amidonitrostilbene and hemicyanine dye Langmuir-Blodgett layers (in multilayer and bilayer configurations) were performed to provide information about the molecular interactions responsible for enhanced nonlinear optical properties. In particular, hydrogen bonding at the carbonyl groups (and other head group interactions) provides a means of aligning and partially separating the hemicyanine molecules in the bilayer configuration. Attempts have been made to assess the degree and nature of microscopic ordering as the number of monolayers increases. These data are assessed in the light of RHEED and ellipsometric measurements, and possible sources of discrepancy are discussed.