From 1D chain to 3D network: A theoretical study on TiO2 low dimensional structures

2015 ◽  
Vol 142 (22) ◽  
pp. 224305 ◽  
Author(s):  
Ling-ju Guo ◽  
Zhi Zeng ◽  
Tao He
Keyword(s):  
Theoretical Study ◽  
3D Network ◽  
1D Chain ◽  
Low Dimensional

A theoretical study on the growth of low-dimensional nanocrystals on isotropic substrates

2021 ◽  
Vol 388 ◽  
pp. 127073
Author(s):  
Ziran Ye ◽  
Meinan Lou ◽  
Xiqian Jia ◽  
Gaoxiang Ye
Keyword(s):  
Theoretical Study ◽  
Low Dimensional

scholarly journals Влияние орбитального упорядочения на спектры магнитного резонанса в зарядово-упорядоченных и фрустрированных манганитах

2019 ◽  
Vol 61 (5) ◽  
pp. 841
Author(s):  
Л.Э. Гончарь
Keyword(s):  
Metal Ion ◽  
Alkaline Earth ◽  
Theoretical Study ◽  
Earth Metal ◽  
Exchange Interactions ◽  
Alkaline Earth Metal ◽  
Antiferromagnetic Resonance ◽  
Rare Earth Ion ◽  
Magnetic Structures ◽  
Low Dimensional

A theoretical study of the interrelation of the crystal structure, charge, orbital, and magnetic subsystems in R1–xAxMnO3 charge-ordered manganites has been carried out (where R3+ is the rare earth ion, A2+ is the alkaline earth metal ion, x = 0.5, 2/3). The model of orbital-dependent exchange interactions and single-ion anisotropy is used. The presence of quasi-low-dimensional magnetic structures is exhibited. The spin waves spectra and antiferromagnetic resonance spectra are calculated.

Syntheses, structures, and magnetic properties of two unique Cu(ii)-based coordination polymers involving a crystal-to-crystal structural transformation from a 1D chain to a 3D network

2017 ◽  
Vol 46 (48) ◽  
pp. 17025-17031 ◽  
Author(s):  
Xu-Feng Yang ◽  
Min Liu ◽  
Hai-Bin Zhu ◽  
Cheng Hang ◽  
Yue Zhao
Keyword(s):  
Magnetic Properties ◽  
Structural Transformation ◽  
Coordination Polymers ◽  
Network Structure ◽  
Chain Structure ◽  
3D Network ◽  
1D Chain ◽  
Crystal Structural

Promoted by the DMF solvent, the 1D chain structure of 1 can be irreversibly transformed into the 3D sod network structure of 2 in a crystal-to-crystal fashion, which is accompanied by a drastic magnetic change.

scholarly journals Three cobalt-based coordination polymers with tripodal carboxylate and imidazole-containing ligands: syntheses, structures, properties and DFT studies

RSC Advances ◽  
2019 ◽  
Vol 9 (66) ◽  
pp. 38902-38911 ◽  
Author(s):  
Long Tang ◽  
Huan-Huan Wang ◽  
Yu-Hao Fu ◽  
Yi-Tong Wang ◽  
JiJiang Wang ◽  
...  
Keyword(s):  
Coordination Polymers ◽  
Magnetic Behavior ◽  
Fluorescence Properties ◽  
Carboxylate Ligand ◽  
Dft Studies ◽  
3D Network ◽  
1D Chain ◽  
2D To 3D

The tripodal carboxylate ligand can be employed in Co(ii) salt/imidazole-containing ligand systems to generate 1D chain, 2D layer, and 2D to 3D network, and the fluorescence properties of 1–3 and magnetic behavior of 1 and 2 have been investigated.

Frustrations and Phase Transitions in Low-Dimensional Magnetic Systems

2016 ◽  
Vol 845 ◽  
pp. 111-116 ◽  
Author(s):  
Felix Kassan-Ogly ◽  
Alexey I. Proshkin ◽  
Akai K. Murtazaev ◽  
Albert Babaev ◽  
Magomedsheykh Ramazanov ◽  
...  
Keyword(s):  
Magnetic Field ◽  
External Magnetic Field ◽  
Specific Heat ◽  
Nearest Neighbor ◽  
Exchange Interactions ◽  
Magnetic Systems ◽  
Magnetic Parameters ◽  
1D Chain ◽  
Transition Points ◽  
Low Dimensional

We studied magnetic orderings and frustrations on 1D chain and 2D lattices: square, triangular, kagome, and hexagonal in the Ising, 3-state Potts and standard 4-state Potts models. The spins interrelate with one another via the nearest-neighbor, the next-nearest-neighbor or the third-neighbor exchange interactions and by an external magnetic field. For problem solving we mainly calculated the entropy and specific heat using the rigorous analytical solutions for maximum eigenvalue of Kramers-Wannier transfer-matrix and exploiting computer simulation, par excellence, by Wang-Landau algorithm. Whether a system is ordered or frustrated is related to the signs and values of exchange interactions. An external magnetic field may both favor the ordering of a system and create frustrations. With the help of calculations of the entropy, the specific heat and magnetic parameters, we obtained the points and ranges of frustrations, the frustration fields and the phase transition points. The results obtained also show that the same exchange interactions my either be competing or noncompeting which depends on the topology of a lattice.

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