Photoswitching of the magnetic properties of one-dimensional π-electron systems. Part II. Conjugated polymers with di-hetarylethene and benzylidene-anthrone fragments in the elementary units

2001 ◽  
Vol 3 (20) ◽  
pp. 4600 ◽  
Author(s):  
Fritz Dietz ◽  
Nikolai Tyutyulkov
Keyword(s):  
Magnetic Properties ◽  
Conjugated Polymers ◽  
Electron Systems ◽  
One Dimensional

Photoswitching of the magnetic properties of one-dimensional π-electron systems

2003 ◽  
Vol 155 (1-3) ◽  
pp. 21-27 ◽  
Author(s):  
F. Dietz ◽  
A. Staykov ◽  
S. Karabunarliev ◽  
N. Tyutyulkov
Keyword(s):  
Magnetic Properties ◽  
Electron Systems ◽  
One Dimensional

Electronic structure studies of conducting polymers by electron energy-loss spectroscopy

1996 ◽  
Vol 54 ◽  
pp. 160-161
Author(s):  
J. Fink
Keyword(s):  
Electronic Structure ◽  
Conducting Polymers ◽  
Conjugated Polymers ◽  
Electron Acceptors ◽  
Electron Donors ◽  
Light Emitting ◽  
One Dimensional ◽  
New Class ◽  
Electrical Conductivities ◽  
Electron Energy Loss

Conducting polymers comprises a new class of materials achieving electrical conductivities which rival those of the best metals. The parent compounds (conjugated polymers) are quasi-one-dimensional semiconductors. These polymers can be doped by electron acceptors or electron donors. The prototype of these materials is polyacetylene (PA). There are various other conjugated polymers such as polyparaphenylene, polyphenylenevinylene, polypoyrrole or polythiophene. The doped systems, i.e. the conducting polymers, have intersting potential technological applications such as replacement of conventional metals in electronic shielding and antistatic equipment, rechargable batteries, and flexible light emitting diodes.Although these systems have been investigated almost 20 years, the electronic structure of the doped metallic systems is not clear and even the reason for the gap in undoped semiconducting systems is under discussion.

scholarly journals Magnetocaloric Ln(HCO2)(C2O4) frameworks: Synthesis, Structure and Magnetic Properties

2021 ◽  
Author(s):  
Mario Falsaperna ◽  
Gavin B G Stenning ◽  
Ivan da Silva ◽  
Paul James Saines
Keyword(s):  
Magnetic Properties ◽  
Orthorhombic Structure ◽  
One Dimensional ◽  
Coordination Frameworks

This study probes the structure and the magnetic properties of members of the Ln(HCO2)(C2O4) (Ln = Sm3+-Er3+) family of coordination frameworks. These frameworks adopt a Pnma orthorhombic structure with one-dimensional...

Formation of Cr-rich Nano-clusters and Columns in (Zn,Cr)Te Grown by MBE

2009 ◽  
Vol 1183 ◽  
Author(s):  
Yôtarõ Nishio ◽  
Kôichirô Ishikawa ◽  
Shinji Kuroda ◽  
Masanori Mitome ◽  
Yoshio Bando
Keyword(s):  
Magnetic Properties ◽  
Substrate Temperature ◽  
Crystallographic Orientation ◽  
Vertical Direction ◽  
Growth Conditions ◽  
Chemical Analyses ◽  
Mbe Growth ◽  
One Dimensional ◽  
X Ray ◽  
Cr Content

AbstractThe correlation between the Cr aggregation and magnetic properties are investigated for the series of Zn1-xCrxTe films grown by MBE with a systematic variation of growth conditions. Structural and chemical analyses using TEM and energy-dispersive X-ray spectroscopy (EDS) reveal that the crystallinity and the Cr distribution change significantly with the substrate temperature during the MBE growth. For a relatively low average Cr content x ≅ 0.05, it is found that the crystal quality is improved with the increase of the substrate temperature. For a higher average Cr content x ≅ 0.2, the shape of Cr-rich regions is transformed from isolated clusters into one-dimensional nanocolumns with the increase of the substrate temperature. The direction of the nanocolumn formation changes depending on the crystallographic orientation of the grown films. In the magnetization measurements, anisotropic magnetic properties are observed in the films in which Cr-rich nanocolumns are formed in the vertical direction, depending on the relation between the direction of the nanocolumns and the applied magnetic fields.

Synthesis, structures, and magnetic properties of one-dimensional Fe–M (M=NiII, CuII) coordination polymers bridged by nitroprusside

2007 ◽  
Vol 360 (8) ◽  
pp. 2523-2531 ◽  
Author(s):  
Young Sin You ◽  
Jung Hee Yoon ◽  
Jeong Hak Lim ◽  
Hyoung Chan Kim ◽  
Chang Seop Hong
Keyword(s):  
Magnetic Properties ◽  
Coordination Polymers ◽  
One Dimensional
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