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Self-assembled terephthalic acid adlayers on a Cu(100) surface is studied by X-ray photoelectron spectroscopy, near-edge X-ray absorption fine structure, and scanning tunneling microscopy in the temperature range 190-400K under ultrahigh vacuum conditions. Three distinct well-ordered phases observed evolving with increasing temperature is explained.

In this work, a Mg(0001) single crystal is used as a novel template to grow 2D supramolecular nano-architectures. By using scanning tunnelling microscopy (STM) and high-resolution X-ray photoemission spectroscopy (HR-XPS), the formation of either a homo-molecular or metal–organic network is reported for carboxylic or amino functionalized molecules, respectively. [ABSTRACT FROM AUTHOR]

We show that Sn atoms combined with organic ligands can be used to build 2D coordination networks on Au(111) surfaces. [ABSTRACT FROM AUTHOR]

A Scanning Tunneling Microscope (STM) is used to induce a reversible transition between different polymorphs in a binary supramolecular network at the liquid/solid interface. The transition is driven externally by switching the polarity of the sample by positive or negative sample bias potentials. We demonstrate that by mixing bias-sensitive and non-sensitive molecules, we gain access to a variety of binary porous structures that can be prepared and reliably actuated for each relative concentration. [ABSTRACT FROM AUTHOR]

Abstract: At Danum Valley, Sabah, dipterocarp forest is affected by moderately-strong droughts which perturb the ecosystem. Analysing stem growth for c. 3700 understorey trees (12.5–<50cm girth), measured over four periods (between 1986 and 2007), response to an ENSO-related event (1998) was followed. Relative growth rates (rgr) of the 48 most abundant species in the size class were considered individually, and as relative changes between periods. From them a measure reactivity was derived. Whilst a third of species differed from one another in rgr, within-species rates were highly variable: often species had very different (pluralistic) response patterns over time. The rgr decreased in the drought period, increased and overcompensated directly afterwards, and later returned to original levels. The forest displayed moderate resistance, and high resilience and stability within c. 4years of the perturbation. Oscillatory responses were more pronounced among true understorey species than among small trees of overstorey ones, suggesting that the former might play a key role in stabilization. Environmental stochasticity in the form of coloured noise may therefore be causing a major part of the variation in rain forest dynamics and explain its complexity. [Copyright &y& Elsevier]