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Bulk tellurium (Te) presents a threefold screw axis with highly anisotropic chain structure, where every Te atom forms strong covalent bonds in the chain and much weaker bonds in the adjacent chains. The bonds in the adjacent chains are critical to the total energies of Te nanostructures since the nearest neighbors are always saturated. Confirmed by our model simulation and first-principles calculations, the nanobelts would be stabilized at the temperature of 600 K due to the entropy effect,doi:10.1039/c4ra04988h fatcat:x6pppmbhd5gcpohov6hrpe2sje