Clusters as Ligands. 5. Tricobalt Cluster Alkoxycarboxylates of Titanium and Zirconium Exhibiting Novel Structures and Properties

1997 ◽  
Vol 16 (24) ◽  
pp. 5289-5301 ◽  
Author(s):  
Xinjian Lei ◽  
Maoyu Shang ◽  
Thomas P. Fehlner
2001 ◽  
Vol 86 (10) ◽  
pp. 2046-2049 ◽  
Author(s):  
Baolin Wang ◽  
Shuangye Yin ◽  
Guanghou Wang ◽  
Alper Buldum ◽  
Jijun Zhao

MRS Bulletin ◽  
2000 ◽  
Vol 25 (4) ◽  
pp. 36-41 ◽  
Author(s):  
Matthew J. Mio ◽  
Jeffrey S. Moore

The design of inorganic and organic solids with novel structures and properties has long been the object of materials research. The classical examples of porous materials (i.e., involving reversible guest passage) are zeolites. First discovered in the mid-1700s, zeolites are hydrated, crystalline aluminosilicates that organize into stable, discrete frameworks. Basic structures employ tetrahedral atoms (silicon or aluminum) bridged by oxygen atoms, where each oxygen is shared between two metalloid tetrahedra. Resulting covalent lattices can be neutral or negatively charged (as a result of bridging oxides) and often employ alkali metal or alkalineearth counterions. As a consequence of this ordered structure, zeolites both benefit from and are limited by their highly geometrical nature: their rigid structures are inherently robust, yet they are difficult to process. In addition, while natural and unnatural zeolites have been characterized, harsh synthetic conditions are common to both and lead to limitations in design and processability. Even so, these impediments have not prevented constructing a myriad of architectures on zeolite host lattices. Strengths and weaknesses aside, zeolites demonstrate a major objective of materials chemistry: the ability to manifest macroscopic physical properties based on embedded microscopic structure.


1986 ◽  
Vol 67 ◽  
Author(s):  
R. T. Tung ◽  
J. M. Gibson

ABSTRACTThis paper reviews the “template” growth technique in UHV and the novel structures and properties of single crystal silicide thin films and double heterostructures.


RSC Advances ◽  
2014 ◽  
Vol 4 (70) ◽  
pp. 37333-37341 ◽  
Author(s):  
Yongliang Yong ◽  
Xiaohong Li ◽  
Xiping Hao ◽  
Jingxiao Cao ◽  
Tongwei Li

Low-density ZnS framework materials with novel structures and properties based on highly stable ZnnSn (n = 12, 16) clusters are designed and investigated.


2013 ◽  
Vol 779-780 ◽  
pp. 239-242
Author(s):  
Fan Wang ◽  
Xing Yu Zhao ◽  
Lei Cui

Atomic structures and properties of Ni nanowires are studied by using the generalized simulated annealing method with SuttonChen potential. Amorphous-like, helical, face-centered cubic and defect structures are found for different wire lengths. And from the analyses of the binding energy and angular correlation function (ACF), it is found that the helical structure of the Ni nanowires is the most stable form. With the compression and extension, the nanowires could transform from fcc [11 structure to fcc [110] one.


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