Langmuir-Blodgett Supramolecular Assemblies: Incorporating Inorganic Extended Lattice Structures

1996 ◽  
pp. 27-37
Author(s):  
Candace T. Seip ◽  
Houston Byrd ◽  
John K. Pike ◽  
Scott Whipps ◽  
Daniel R. Talham
Keyword(s):  
Supramolecular Assemblies ◽  
Lattice Structures ◽  
Langmuir Blodgett

Coexisting lattice structures in a Langmuir-Blodgett film identified by atomic force microscopy

Langmuir ◽  
1993 ◽  
Vol 9 (5) ◽  
pp. 1384-1391 ◽  
Author(s):  
D. K. Schwartz ◽  
R. Viswanathan ◽  
J. A. N. Zasadzinski
Keyword(s):  
Atomic Force Microscopy ◽  
Lattice Structures ◽  
Blodgett Film ◽  
Force Microscopy ◽  
Langmuir Blodgett ◽  
Atomic Force ◽  
Langmuir Blodgett Film

Measurement of intermolecular electron current in supramolecular assemblies created by the Langmuir–Blodgett technique

2000 ◽  
Vol 87 (2) ◽  
pp. 914-924 ◽  
Author(s):  
K. J. Donovan ◽  
J. E. Elliott ◽  
K. Scott ◽  
E. G. Wilson
Keyword(s):  
Supramolecular Assemblies ◽  
Electron Current ◽  
Langmuir Blodgett

Incorporating Inorganic Extended Lattice Structures into Langmuir—Blodgett Films: Comparing Metal Phosphonate LB Films to Their Solid-State Analogs

1997 ◽  
Vol 19 (3) ◽  
pp. 133-151 ◽  
Author(s):  
Daniel R. Talham ◽  
Candace T. Seip ◽  
Scott Whipps ◽  
Gail E. Fanucci ◽  
Melissa A. Petruska ◽  
...  
Keyword(s):  
Solid State ◽  
Lattice Structures ◽  
Lb Films ◽  
Langmuir Blodgett ◽  
Metal Phosphonate ◽  
Langmuir Blodgett Films

Backscattered Electron Imaging of GaAs/AlGaAs Super Lattice Structures with an Ultra-High- Resolution SEM

1988 ◽  
Vol 46 ◽  
pp. 204-205
Author(s):  
Kazumichi Ogura ◽  
Michael M. Kersker
Keyword(s):  
High Resolution ◽  
Layer Structure ◽  
High Sensitivity ◽  
Beam Current ◽  
Electron Beam Current ◽  
Lattice Structures ◽  
Super Lattice ◽  
Different Types ◽  
Backscattered Electron ◽  
Electron Imaging

Backscattered electron (BE) images of GaAs/AlGaAs super lattice structures were observed with an ultra high resolution (UHR) SEM JSM-890 with an ultra high sensitivity BE detector. Three different types of super lattice structures of GaAs/AlGaAs were examined. Each GaAs/AlGaAs wafer was cleaved by a razor after it was heated for approximately 1 minute and its crosssectional plane was observed.First, a multi-layer structure of GaAs (100nm)/AlGaAs (lOOnm) where A1 content was successively changed from 0.4 to 0.03 was observed. Figures 1 (a) and (b) are BE images taken at an accelerating voltage of 15kV with an electron beam current of 20pA. Figure 1 (c) is a sketch of this multi-layer structure corresponding to the BE images. The various layers are clearly observed. The differences in A1 content between A1 0.35 Ga 0.65 As, A1 0.4 Ga 0.6 As, and A1 0.31 Ga 0.69 As were clearly observed in the contrast of the BE image.

Lattice imaging of precipitates in Al-Zn-Mg alloy

1986 ◽  
Vol 44 ◽  
pp. 412-413
Author(s):  
C. K. Wu
Keyword(s):  
Grain Boundaries ◽  
Homogeneous Nucleation ◽  
Alloy System ◽  
Mg Alloy ◽  
List Type ◽  
Lattice Structures ◽  
Type Number ◽  
Orientation Relationships ◽  
Lattice Imaging ◽  
The Matrix

The precipitation phenomenon in Al-Zn-Mg alloy is quite interesting and complicated and can be described in the following categories:(i) heterogeneous nucleation at grain boundaries;(ii) precipitate-free-zones (PFZ) adjacent to the grain boundaries;(iii) homogeneous nucleation of snherical G.P. zones, n' and n phases inside the grains. The spherical G.P. zones are coherent with the matrix, whereas the n' and n phases are incoherent. It is noticed that n' and n phases exhibit plate-like morpholoay with several orientation relationship with the matrix. The high resolution lattice imaging techninue of TEM is then applied to study precipitates in this alloy system. It reveals the characteristics of lattice structures of each phase and the orientation relationships with the matrix.

New Amphiphilic Tetrathiafulvalene (TTF) Derivatives: Synthesis and Langmuir-Blodgett Filn Formation

1988 ◽  
Vol 156 (1) ◽  
pp. 339-345 ◽  
Author(s):  
FranÇOise Bertho ◽  
Daniel Talham ◽  
Albert Robert ◽  
Patrick Batail ◽  
Stephane Megtert ◽  
...  
Keyword(s):  
Langmuir Blodgett

Langmuir-blodgett films of liquid-crystalline heteroaromatic cations associated with diamagnetic (BF4-, CIO4-) or paramagnetic (TCNQ[math]) anions

1988 ◽  
Vol 85 ◽  
pp. 385-389 ◽  
Author(s):  
M. Vandevyver ◽  
J. Richard ◽  
A Barraud ◽  
M. Veber ◽  
C Jallabert ◽  
...  
Keyword(s):  
Liquid Crystalline ◽  
Langmuir Blodgett ◽  
Langmuir Blodgett Films

Non linear physical properties of langmuir-blodgett films : their possible applications

1988 ◽  
Vol 85 ◽  
pp. 1093-1097 ◽  
Author(s):  
G.G. Roberts ◽  
B. Holcroft ◽  
T. Richardson ◽  
R. Colbrook
Keyword(s):  
Physical Properties ◽  
Langmuir Blodgett ◽  
Non Linear ◽  
Langmuir Blodgett Films
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