نتایج جستجو برای: anisotropy of magnetic susceptibility ams

تعداد نتایج: 21223892  

Journal: :International Geology Review 2021

We provide new kinematic data from the Potwar Plateau (Pakistan) to evaluate tectonic evolution of region during Neogene. The plateau is bound by two major strike-slip faults in west and east, accommodating its southwards translation.We have recognized Neogene deformation phases plateau, based on paleostress inversion Anisotropy Magnetic Susceptibility (AMS) tensors. first phase lasted until ea...

1996
Timothy J. Moran Ivan K. Schuller

We have studied exchange anisotropy at ferromagnet/antiferromagnet ~FM-AFM! interfaces as a function of cooling field in Ni80Fe20 ~permalloy! films deposited on bulk single-crystal CoO substrates. Hysteresis loops measured after cooling through the antiferromagnetic ordering temperature in different magnetic fields show that the exchange bias has little dependence on cooling field. Large coolin...

2013
Valeriu Mereacre Frederik Klöwer Yanhua Lan Rodolphe Clérac Juliusz A Wolny Volker Schünemann Christopher E Anson Annie K Powell

By using Mössbauer spectroscopy in combination with susceptibility measurements it was possible to identify the supertransferred hyperfine field through the oxygen bridges between Dy(III) and Fe(III) in a {Fe4Dy2} coordination cluster. The presence of the dysprosium ions provides enough magnetic anisotropy to "block" the hyperfine field that is experienced by the iron nuclei. This has resulted ...

Journal: :Journal of the American Chemical Society 2010
Danna E Freedman W Hill Harman T David Harris Gary J Long Christopher J Chang Jeffrey R Long

Slow magnetic relaxation is observed for [(tpa(Mes))Fe](-), a trigonal pyramidal complex of high-spin iron(II), providing the first example of a mononuclear transition metal complex that behaves as a single-molecule magnet. Dc magnetic susceptibility and magnetization measurements reveal a strong uniaxial magnetic anisotropy (D = -39.6 cm(-1)) acting on the S = 2 ground state of the molecule. A...

2006
Manabu Sueda Yongbin Xu Zhongming Ren Weili Ren Akio Katsuki Yoshihisa Fujiwara Yoshifumi Tanimoto

The effects of horizontal high magnetic field (8 T) on both the orientation of the a-form glycine crystal and the growth rate were studied. The aform glycine crystal is oriented in the high magnetic field in such a way that its crystallographic c-axis is at about 458 with the direction of magnetic field. This orientation is explained by the magnetic susceptibility anisotropy of the crystal stru...

2009
S. Misra N. Basavaiah

Introduction: The 52±6 ka old Lonar crater, India [1, 2], is the only known terrestrial impact crater in basaltic target-rocks (Deccan Traps, ~65 Ma). The impactor asteroid of this ~1.8 km diameter crater was perhaps a chondrite [3] that hit the pre-impact surface from east at an angle of 30-45 o with horizon [4]. Presently, we report the possible distribution of impact-induced stress around Lo...

Journal: :Geosciences 2022

In this work we establish reliable correlations between density and magnetic susceptibility in three paramagnetic granites from the Pyrenees. total, 128 sites (310 measurements >2600 ones) were studied Mont Louis-Andorra, Maladeta Marimanha granitic plutons covering main range of variability susceptibility. Regressions calculated for every body an integrated linear function was obtained enti...

1998
Lucia Banci Ivano Bertini J. Gaspard Huber Claudio Luchinat Antonio Rosato

The backbone 15N-1H 1J values have been measured for oxidized and reduced cytochrome b5 at 500 and 800 MHz. Their field dependence, due to increasing partial orientation of the molecule in solution at high magnetic fields, provides structural constraints relative to the orientation of the NH bond vector with respect to the principal directions of the molecular susceptibility tensor. The constra...

1992
Rafael I. Nepomechie P. K. Townsend A. M. Tsvelik

We formulate the thermodynamic Bethe Ansatz (TBA) equations for the closed (periodic boundary conditions) A (2) 2 quantum spin chain in an external magnetic field, in the (noncritical) regime where the anisotropy parameter η is real. In the limit η → 0, we recover the TBA equations of the antiferromagnetic su(3)-invariant chain in the fundamental representation. We solve these equations for low...

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