Large pyroelectric and thermal expansion coefficients in the [(CH3)2NH2]Mn (HCOO)3 metal-organic framework

2017 ◽  
Vol 111 (4) ◽  
pp. 042901 ◽  
Author(s):  
Yinina Ma ◽  
Junzhuang Cong ◽  
Yisheng Chai ◽  
Liqin Yan ◽  
Dashan Shang ◽  
...  
Keyword(s):  
Thermal Expansion ◽  
Metal Organic Framework ◽  
Thermal Expansion Coefficients ◽  
Metal Organic ◽  
Expansion Coefficients ◽  
Organic Framework

scholarly journals A five-fold interpenetrated metal–organic framework showing a large variation in thermal expansion behaviour owing to dramatic structural transformation upon dehydration–rehydration

2017 ◽  
Vol 53 (5) ◽  
pp. 861-864 ◽  
Author(s):  
Himanshu Aggarwal ◽  
Raj Kumar Das ◽  
Emile R. Engel ◽  
Leonard J. Barbour
Keyword(s):  
Thermal Expansion ◽  
Thermal Expansion Coefficient ◽  
Metal Organic Framework ◽  
Negative Thermal Expansion ◽  
Considerable Change ◽  
Thermal Expansion Coefficients ◽  
Thermal Expansion Behaviour ◽  
Metal Organic ◽  
Expansion Coefficients ◽  
Expansion Behaviour

A five-fold interpenetrated MOF has the highest uniaxial negative thermal expansion coefficient reported for any interpenetrated MOF to date. Upon dehydration, the framework shows considerable change in the magnitudes of the thermal expansion coefficients.

Proposal for a material with negative thermal expansion

2016 ◽  
Vol 30 (32) ◽  
pp. 1650238
Author(s):  
Mikrajuddin Abdullah
Keyword(s):  
Thermal Expansion ◽  
Glass Transition ◽  
Transition Temperature ◽  
Metal Organic Framework ◽  
Negative Thermal Expansion ◽  
Lennard Jones ◽  
Model Predictions ◽  
Metal Organic ◽  
Organic Framework

I propose a model of a material that exhibits negative thermal expansion (NTE) properties and criteria for the occurrence of linear and volumetric NTE. I derived the criteria for an arbitrary force between rigid units in the material. These criteria are also discussed specifically for the Lennard–Jones (6–12) potential and in more detail for metal–organic framework (MOF) materials comprising rigid units connected by organic linkers. Qualitatively, the model predictions can explain some observed results. Surprisingly, the model can produce equations for the transition temperature from NTE to positive thermal expansion (PTE), [Formula: see text] K, which is exactly the same as the temperature at which the glass transition begins to occur in most polymers, i.e., [Formula: see text] K.

Conformational flexibility Tuned positive thermal expansion in Li-based 3D metal−organic framework

2019 ◽  
Vol 105 ◽  
pp. 247-252
Author(s):  
Min-Min Liu ◽  
Ya-Ru Feng ◽  
Ying-Xia Wang ◽  
You-Zhu Yu ◽  
Long Sun ◽  
...  
Keyword(s):  
Thermal Expansion ◽  
Metal Organic Framework ◽  
Conformational Flexibility ◽  
Metal Organic ◽  
Organic Framework

Negative Thermal Expansion in the Metal-Organic Framework Material Cu3(1,3,5-benzenetricarboxylate)2

2008 ◽  
Vol 120 (46) ◽  
pp. 9061-9064 ◽  
Author(s):  
Yue Wu ◽  
Atsushi Kobayashi ◽  
Gregory J. Halder ◽  
Vanessa K. Peterson ◽  
Karena W. Chapman ◽  
...  
Keyword(s):  
Thermal Expansion ◽  
Metal Organic Framework ◽  
Negative Thermal Expansion ◽  
Metal Organic ◽  
Organic Framework
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