Gallery (frame enhanced)

<body background="../wallpape.gif" link="#800000" vlink="#804000" alink="#FF0000"> <h3 align="center"><a href="../index.html" target="_top">Hot STM Labs</a></h3> <p align="center"><img src="../index/gallery.jpg" alt="gallery" width="51" height="50"> </p> <h2 align="center">Dimer Configuration Gallery</h2> <div align="center"><center><table border="2" cellpadding="2" bordercolor="#804000"> <tr> <td><div align="center"><center><table border="0"> <tr> <td><table border="3" cellpadding="2" cellspacing="0" bordercolor="#804000"> <tr> <td bgcolor="#FFFFFF"><a href="surface/surface_fr.html"><img src="surface/surface_image_small.gif" border="0" width="75" height="75"></a></td> </tr> </table> </td> <td colspan="2"><a href="surface/surface_fr.html">Si (001) Surface</a> <ul> <li><font size="3"><b>Fig. 1 Image of a Reconstructed Si (001)-2 × 1 Surface displaying A and B type Step Edges </b></font></li> <li><font size="3"><b>Fig. 1A Bulk Terminated and Reconstructed Si (001)-2 × 1 Surface </b></font></li> <li><font size="3"><b>Fig. 1B Step Edges on the Reconstructed Si (001)-2 × 1 Surface </b></font></li> <li><font size="3"><b>Fig. 2 Close-up Image of a Reconstructed Si (001)-2 × 1 Surface with Defects</b></font></li> </ul> </td> </tr> </table> </center></div><div align="center"><center><table border="0"> <tr> <td colspan="2"><a href="configurations/configurations.html">Silicon Ad-Dimer Orientations and Energies</a> <ul> <li><font size="3"><b>Fig. 2 Silicon Ad-Dimer Orientations and Energies on <br> Reconstructed Si (001)-2 × 1 Surface </b></font></li> <li><font size="3"><b>Fig. 2A/B On Top of the Row Dimer </b></font></li> <li><font size="3"><b>Fig. 2C Stealth or C-Dimer </b></font></li> </ul> </td> <td><table border="3" cellpadding="2" cellspacing="0" bordercolor="#804000"> <tr> <td bgcolor="#000000"><a href="configurations/configurations.html"><img src="configurations/configs_small.gif" border="0" width="75" height="67"></a></td> </tr> </table> </td> </tr> </table> </center></div><div align="center"><center><table border="0"> <tr> <td><table border="3" cellpadding="2" cellspacing="0" bordercolor="#804000"> <tr> <td bgcolor="#FFFFFF"><a href="stealth2/stealth.html"><img src="stealth2/c_small.gif" border="0" width="75" height="80"></a></td> </tr> </table> </td> <td colspan="2"><a href="stealth2/stealth.html">Stealth or C-Dimers and Dimer Diffusion</a><br> <ul> <li><font size="3"><b>Fig. 3 Stealth or C-Dimer </b></font></li> <li><font size="3"><b>Fig. 4 Filled vs. Empty State Images of Stealth Dimer </b></font></li> <li><font size="3"><b>Fig. 5 Across the Rows Diffusion involving Intermediate "Stealth"/C-Dimer </b></font></li> </ul> </td> </tr> </table> </center></div><div align="center"><center><table border="0"> <tr> <td colspan="2"><a href="two_dimer/two_dimer.html">Two-Dimer Configurations</a> <ul> <li><font size="3"><b>Fig. 6 Cross Configuration </b></font></li> <li><font size="3"><b>Fig. 7 Filled vs. Empty State Images of a Cross </b></font></li> <li><font size="3"><b>Fig. 8 Tie Configuration. </b></font></li> <li><font size="3"><b>Fig. 9 Filled vs. Empty State Images of a Tie </b></font></li> <li><font size="3"><b>Fig. 10 A-Dimer Pairs, a.k.a Twins </b></font></li> <li><font size="3"><b>Fig. 11 Filled vs. Empty State Images of Twins </b></font></li> </ul> </td> <td><table border="3" cellpadding="2" cellspacing="0" bordercolor="#804000"> <tr> <td bgcolor="#FFFFFF"><a href="two_dimer/two_dimer.html"><img src="two_dimer/cross_plain_small.gif" border="0" width="74" height="77"></a></td> </tr> </table> </td> </tr> </table> </center></div><div align="center"><center><table border="0"> <tr> <td><table border="3" cellpadding="2" cellspacing="0" bordercolor="#804000"> <tr> <td bgcolor="#FFFFFF"><a href="rows/rows.html"><img src="rows/dense_vs_dilute_small.gif" border="0" width="75" height="62"></a></td> </tr> </table> </td> <td colspan="2"><a href="rows/rows.html">Rows</a> <ul> <li><font size="3"><b>Fig.12 Dense and Dilute Row Fundamental Units </b></font></li> <li><font size="3"><b>Fig.13 Filled vs. Empty State Images of a Dilute Row </b></font></li> <li><font size="3"><b>Fig.14 Filled vs. Empty State Images of a Dense Row </b></font></li> </ul> </td> </tr> </table> </center></div></td> </tr> </table> </center></div><p align="center"><br> <br> <br> </p> <hr> <p align="center"><br> <br> <font size="3"><b><i>All images included here were taken on the Si (001)-2 × 1 reconstructed surface. Unless otherwise noted, they were imaged with a +2 Volt bias on the tip; so filled electron states were sampled.</i></b><b> </b><b><i>Note: some of the images made with a negative tip-sample bias display the </i></b><b>troughs</b><b><i> as light and the </i></b><b>rows</b><b><i> as dark.</i></b><b> </b><b><i>The configuration diagrams on this page are schematic in nature and are based the following works: </i></b><br> <br> <br> </font></p> <hr> <p align="center"><font size="3"><br> <br> </font></p> <h3 align="center"><font size="3">References</font></h3> <font size="3"><fontsize=-1></font><p align="center"><font size="3"><br> </font></p> <blockquote> <p align="center"><font size="3">G. Brocks and P. J. Kelly. <b>Dynamics and Nucleation of Si Ad-dimers on the Si(100) Surface</b>, Phys. Rev. Lett. <b>76</b>, 2362-2365 (1996.) <br> T. Yamasaki and T. Uda. <b>Initial Process of Si Homoepitaqxial Growth on Si(001)</b>, Phys. Rev. Lett. <b>76</b>, 2949-2952 (1996). <br> A. van Dam, J. van Wingerden, <i>et al.</i>, <b>Interactions between absorbed Si dimers on Si(001)</b>, Phys. Rev. B. <b>54</b> 1557-1560 (1996). <br> J. van Wingerden, A. van Dam, <i>et al.</i>, <b>Room temperature growth of submonolayers of silicon on Si(001) studied with STM</b>, (Submitted: June 1996, Phys. Rev. B). <br> J. van Wingerden, A. van Dam, <i>et al.</i>, <b>Atomic details of step flow growth on Si(001)</b>, (Submitted: July 1996, Phys. Rev. B). </font></p> </blockquote> <hr> <p align="center"><font size="4">Jump to </font><a href="../index.html" target="_top"><font size="4">Hot STM Labs</font></a><font size="4"> <i>Copyright 1996 by the Regents of the University of Minnesota, Dept. of Physics & Astronomy. All rights reserved.</i> </font></p> </body>