STMAFM Main
Contents
Main Form
The STMAFM form contains the main control elements of the software. Below the menu bar several control the data acquisition and analysis of the STM data.
To take a new image press the START button. To stop press the STOP button. When a new scan is started a default filename is assigned to the image. It consists of the date and time, when the scan was started. Its extension will be '.dat'. A single letter is put in the front of the name, which is used to indicate the machine name. (Example:' A020124.190937.dat' ). To save the file either press the QSAVE button which saves the file in the current directory, indicated in the status line at the bottom of the window, or use the menu command Save *.dat under File. As long as the files has not been saved a ' * ' is attached to the file. Copy copies the data in the left image to the second image on the right.
The basic operations to display the data are done using the following buttons:
DA: Display the image using different line by line subtraction modes DX: Display the image using automatic plane substraction DP: Display the image using plane substraction LA: Display image in DA mode and perform automatic scaling LP: Perform a low pass filter operation HP: Perform a high pass filter operation Pln: Input 3 points (with the mouse) to determine the plane for plane background subtraction Lin: Calculate a linescan along a line between 2 points LM Lateral manipulation VM Vertical manipulation of I/V spectroscopy TF Tip forming
Use Disp LinePlan Quad under Display in the menu subtract to perform an automatic line/plane subtraction using also quadratic terms Below the buttons you find the Palette window, which displays the current 8bit palette. Use the left mouse button to switch between different standard palettes. Using the right mouse button will open a popup menu with additional options to create a user defined palette or to load and save externally defined palettes.
The small list box on the right is used for communication between different instances of the STMAFM program. If the instance of the program which is in data acquisition mode saves a file then this filename is send to all other instances of the program running in analysis mode.
Below the buttons the screen is separated in two parts, divided by an horizontaly movable slider. On the left is always the image of the current data file displayed. All the operations like scanning and image processing are done in this part on the window. On the right usually a list of all loaded files is displayed. A small icon image and some info is shown for each file. The two modes to display these data are 'Report" and 'Icon' view. The modes can be selected under menu item 'Display'. When in Report view pressing on the 'Image' bar will switch the way how the info is displayed. The list view can be suppressed by selecting 'Image2' under menu item 'Display' and the second image is displayed instead.
On the bottom of the window a status bar is located. It shows the current date and time, some status info about the scanning status, the mouse position on the image,the size of the image, the current default directory, the available space of disk storage.
Menu Structure
File
Open *.DAT Open STMAFM DataFile Save *.DAT Save STMAFM DataFile QuickSave Save STMAFM DataFile in active directory
Export File Save *.BMP Save Image as BMP-File Save *.JPG Save as JPEG File SaveEMF *.EMF Save Image in EMF Format SaveAscii *.ASC Save Image-Data in ASCII Format
Import File Load *.BMP Load BMP File Load *.TIF Load TIF File
Print Print Image Print the image Print Listview Print the Filelist in Listview Printer Setup Select the printer
Special Compress Files All Files are saved using Data compression with Zlib Save Listview-Files Save List of Files in the Listview window Autosave *.bak Save all recorded images AutoSave All Save all images DOS-CommandLine Open a DOS-Window HPData Get Data from Agilent Datalogger Get_SRS_Lockin_Val Get External Lockin Setup Parameters STMAFM-Analysis Start another copy of the STMAFM-Program Exit Exit the STMAFM-Program About About ReOpen Opens the last file
Edit
Copy Clipbd Copy the image to the clipboard Copy Dataimage2 Copy left image to the right Copy Clipbd EMF Copy the image to the clipboard in EMF Format with Info Copy New Window Copy the image into new form Copy Overview Copy the image into the overview form Copy Palette to Clipbd Copy the palette to the Clipboard
Scan
Scan Start Start the Scan Scan Stop Stop the Scan Enable/Start RepeatTimer Start the Repeat-Timer Preamplifier Select the preamplifier Preamp_Femto_LowNoise Select for Femto Preamp in Low Noise Mode Preamp_Femto_HighSpeed Select for Femto Preamp in High Speed Mode Preamp_Femto_100G Select for Femto Preamp with fixed gain 10^11 Preamp_UserType Select for User specific Preamp
Autofilesave Save every image Autorepeat Start a new image automatically Autodispreset Clear the image window when starting a new scan
Show Scanline Marker Display a red line at the actual scan line position Display current Scan Profile Display the current line as a line scan in a separate window Scan_Y_Direction Select the Scandirection (Top-Bottom,Bottom-Top,etc) ScanCoarse Check to set scanning by Coarse Piezos otherwise the main Piezo is used
DSP
Lateral Manip. Lateral Manipulation Vertical Manip. Vertical Manipulation Tip Forming Tip Forming
SetXYOffset - Top Set the xy-offset for the new top site SetXYOffset - Center Set the xy-offset for the new center site SetXYOffset - Zoom Set the xy-offset for the new center site ResetXYOffset Set the xy-offset to (0,0) Copy Offset from Param Copy the xy-offset values from the scanparameterlist 1: Offsetx,y: 0 0 Select as new Offset 2: Offsetx,y 0 0 Select as new Offset 3: Offsetx,y 0 0 Select as new Offset 4: Offsetx,y 0 0 Select as new Offset Set_Plan_Dx_Dy Set the parameters for the plan-offset. Set_DSP_Clock Change the Clock-Frequency of the DSP-FeedBack-Loop
Image
Undo Filter Undo last image operation Filter LowPass Low Pass Filter the image HighPass High Pass Filter the image Laplace Laplace Filter the image Median Median Filter Edge(Horz) Edge Filter in the horizontal direction Invert Invert the image Imagedata * 10 The image data is multiplied by a factor of 10 Imagedata / 10 The image data is divided by a factor of 10
Resize
Zoom_Up_Rect Zoom up a selected rectangle
Resize / 2 Resize the image
Resize x 2 Resize the image
Interpolation / 2 Interpolate the image
Interpolation x 2 Interpolate the image
Rotate90deg
FFT FFT2D Fast Fourier Transform FFT2D Invers Inverse FFT FFT2d Cutout Cutout a part of the FFT FFT Evaluate Open FFT Evaluate window
Image Analysis Histogram Show the histogram of the image Areacalculation Calculate the size of islands Islandsize Calculate the size of islands
Display
Zoom 100% 200% 300% 400%
ListView Report Show files as icons and info Icon Show files as icons only Image2 Show Image2 and not the Listviewbox ListViewBox enabled Enables the ListView Box AutoclearList Clear the Listviewbox before new a new list is added Largeiconsize=64-256 Icon size of the images in the listviewbox Load Icon Plan Load the icons using image plan subtraction Clear Listview Clear the ListView DispCommands DispAuto Display image using linear line background subtraction DispPlanAuto Display image using auto plan background subtraction DispPlan Display image using plan subtraction Last Disp Autoscale Display with automatic scaling Plan Auto Subtract Like Displanauto + subtract plane from image data Linescan Linescan in the image Plan2dinput Input 3 points to select the background subtraction plane Configuration DACunits Select DAC units nm-Units [A] Select Angström units Display Image in Lines Select to display image in line and not gray scale mode Disp LinePlan Quad Select to perform lin.+quad. Backgroundsubtraction Disp Plan and Subtract If selected Disp Plan subtracts the plane from the image data Disp Automode Offset/Slope DA Mode subtract offset and slope line by line Disp Automode Offset DA Mode subtract offset line by line Disp Automode None DA Mode subtract offset of first line Disp Automode Diff DA Mode differentiate image data line by line
Forms
Parameter Lat.Manip Show the Latmanip window Vert.Manip Show the Vertmanip. window Time Spectrum Show the Time Spectrum window AFM Show the AFM PLL window Ramp-Controller Start Ramp Controller New Channelform Open another Channelform Linescan Show the linescan window Draw Grid Show Grid window 3dView Show 3d View window Memo Show separate Memo window Overview Show the overview window Slider Show the Slider window User Form Show the User Form Reset Form Positions Position all windows at (top,left) = (0,0) Show/Hide Old Param Show/Hide the old Parameter window
Debug
Reset Scanstatus Enable all buttons again
Remote Open Remote window
Client Server Control Open Client Server Control
FIFO_COM USB2.0 Shows whether communication is by USB2.0 Hardware
Build Testimage Build a new image without scanning
STM Simulation Run the STM Programm in Simulation Mode (with DSP)
PLL Off Switch PLL off
Debug Messages On Show Debug messages
Block Data Transfer Transfer Data after Acquitstion has been done
ADDA DSP Connect Manually start/stop communication between DSP and ADDA
Form Memory Watch Shows some status data
Tools
Tip-Etching Open to etch STM tips Initialization Open Initialization window Data Recorder Open Datarecorder window Flash Utility Utility to burn Flash on DSP Board with new DSP software
Help
Show STMAFM-Manual Show STMAFM Manual (PDF)
Main Buttons
Start or F1: Start the scan
Stop or F2: Stop the scan
Qsave or F3: Automatically saves an image in the actual directory
Copy or F4: Copy Image1 to Image2
LM or F5: Perform a lateral manipulation
VM or F6: Perform a vertical manipulation or spectroscopy
TF or F8: Perform tip forming
DA or F9: Display the image with automatic line by line background subtraction
DX or F10: Display the image with automatic plane background subtraction
DP or F11: Display the image with planar background subtraction with predefined parameters
LA or F12: Display the image with automatic greyscale scaling
LP or Shift F9: Low pass filter
HP or Shift F10: High pass filter
PLN or Shift F11: Input 3 points for the plane used in plane background subtraction
LIN or Shift F12: Display a linear scan between two points on the image
