Results 31 to 40 of about 455,238 (289)

Magnetic Susceptibility of Chernozems

open access: yesMiscellanea Geographica: Regional Studies on Development, 2004
Among other forms, iron contained in soil is a component of magnetic minerals, both primary and secondary ones, produced by various soil forming processes.
Hasso-Agopsowicz Agata   +2 more
doaj   +1 more source

Entanglement in a Quantum Mixed-Spin Chain [PDF]

open access: yes, 2006
The entanglement in a general mixed spin chain with arbitrary spin $S$ and 1/2 is investigated in the thermodynamical limit. The entanglement is witnessed by the magnetic susceptibility which decides a characteristic temperature for an entangled thermal ...
Arnesen   +26 more
core   +2 more sources

Experimental study on key factors of magnetic change of weakly caking coal during heating

open access: yesMeikuang Anquan, 2022
To study the magnetic change mechanism of weakly caking coal during the heating process, the mass magnetic susceptibility of coal samples during the heating process was measured in this paper.
HAN Wenbin   +3 more
doaj   +1 more source

Magnetic properties of the S=1/2 quasi-one-dimensional antiferromagnet CaCu2O3

open access: yes, 2000
We report single crystal growth and magnetic susceptibility and neutron diffraction studies of the S=1/2 quasi-1D antiferromagnet CaCu2O3. The structure of this material is similar to that of the prototype two-leg spin-ladder compound SrCu2O3.
A. Luther   +48 more
core   +1 more source

Magnetic Phase Diagram and Metal-Insulator Transition of NiS2-xSex

open access: yes, 2000
Magnetic phase diagram of NiS2-xSex has been reexamined by systematic studies of electrical resistivity, uniform magnetic susceptibility and neutron diffraction using single crystals grown by a chemical transport method.
Bouchard R. J.   +29 more
core   +1 more source

Data on heavy metal and magnetic relationships in coastal sediments from South East Coast of Tamilnadu, India

open access: yesData in Brief, 2018
In this data, the heavy metal concentration and magnetic susceptibility in coastal sediment samples collected from Periyakalapet to Parangaipettai of East Coast of Tamilnadu using Energy Dispersive X-ray Fluorescence (EDXRF) technique and dual frequency ...
R. Ravisankar   +4 more
doaj   +1 more source

Magnetic susceptibility from electron holes [PDF]

open access: yesAnnales Geophysicae, 2013
A recent theory of magnetic field amplification in electron holes is extended to derive the magnetic susceptibility of an electron-hole gas propagating in a magnetic flux tube along the ambient magnetic field.
R. A. Treumann   +2 more
doaj   +1 more source

Magnetic-Field Induced Gap in One-Dimensional Antiferromagnet KCuGaF$_6$

open access: yes, 2006
Magnetic susceptibility and specific heat measurements in magnetic fields were performed on an $S=1/2$ one-dimensional antiferromagnet KCuGaF$_6$. Exchange interaction was evaluated as $J/k_{\rm B}\simeq 100$ K. However, no magnetic ordering was observed
Feyerherm R   +4 more
core   +1 more source

Al-Substitution Effects on Physical Properties of the Colossal Magnetoresistance Compouns La0.67ca0.33mno3 [PDF]

open access: yes, 2005
We present a detailed study of the polycrystalline perovskite manganites La0.67Ca0.33AlxMn1-xO3 (x = 0, 0.1, 0.15, 0.5) at low temperatures and high magnetic fields, including electrical resistance, magnetization, ac susceptibility.
A. DARABONT   +8 more
core   +1 more source

Structural biology of ferritin nanocages

open access: yesFEBS Letters, EarlyView.
Ferritin is a conserved iron‐storage protein that sequesters iron as a ferric mineral core within a nanocage, protecting cells from oxidative damage and maintaining iron homeostasis. This review discusses ferritin biology, structure, and function, and highlights recent cryo‐EM studies revealing mechanisms of ferritinophagy, cellular iron uptake, and ...
Eloise Mastrangelo, Flavio Di Pisa
wiley   +1 more source

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