Virtual NanoLab 2008.10
Introduction
Virtual NanoLab
Manual
Version
2008.10
Copyright © 2008 QuantumWise A/S
Legal Notice
Table of Contents
Introduction
About this manual
Comparing with old versions
Changes since VNL 2.0
The VNL Toolbar
Launching VNL
Description of the Virtual NanoLab Toolbar
The Toolbar menu
Data handling in VNL
NanoLanguage scripts
VNLFiles
Transfer of information between tools
Getting started — a small tutorial
Going further with VNL
Molecular Builder
Starting the Molecular Builder
Building simple molecules
Methane
Water
Ammonia
Adjusting molecules
Autoadjustments
User adjustments
The Periodic Table tool
The Molecule Cupboard
Filtering templates
Joining and fusing molecules
Join
Fuse
Chirality and cis/trans isomers
Cis-trans isomers
The Geometry Manager tool
Defining the element type
Building ions – setting atomic charges
Hybridization
Setting the bond order
Adjusting bond distances
Bond angles
Dihedral angles
Keyboard shortcuts.
Crystal Cupboard
Bulk Builder
Starting the Bulk Builder
Setting coordinate types
Defining the Lattice
Selecting lattice type
Editing lattice parameters
Converting between Bravais lattices
Periodic Atom Configurations
Defining the Basis atoms
The Bulk Builder Table View
The BulkBuilder 3D-View
Bulk Repetitions
Atomic Manipulator
Creating molecules
Editing crystals and nanotubes
Creating two-probe systems
Cleaving a periodic system
The central region of a two-probe system
Translating molecules and electrodes
Rotating molecules
Creating equivalent bulk systems
Magnetic Tunnel Junction Builder
General Description
Using the Magnetic Tunnel Junction Builder
Magnetic Tunnel Junction Builder parameters
Nanotube Grower
Nanoscope
Inserting plots
Contour plot
Isosurface plot
Volume plot
Atomic configuration plot
Coordinate axes plot
Modifying plots
Coloring of three-dimensional plots
Changing the appearance of plots
Controlling which plots are displayed
Rotating, panning, and zooming the camera
Exporting and printing 3D plots
Exporting
Printing
Exporting and printing 2D plots
Camera settings
Rendering
Printing
NanoLanguage Scripter
General Description
Configuration
Method
Method parameters
Self-Consistent Calculation
Self-consistent parameters
Analysis
Saving analysis results
Analysis parameters
Method Editor
Method Editor
Script Editor
Script Editor
Examples
Loop over mesh cut-offs
Job Manager
Result Browser
Introduction
Launching the Result Browser
Loading and unloading samples in the Result Browser
Visualizing contents of files using the Result Browser
Backwards compatibility
Restoring old VNL sessions
Open various file formats
Energy Spectrometer
Troubleshooting
Internal errors
Printed/Exported images are corrupted
Random crashes
Installation and license issues
Known minor problems
How to get more help
A. Color references
Index