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self-reversal

Overview page. Subjects: Earth Sciences and Geography.

The ability of certain ferromagnetic materials to acquire a thermal remanence in the opposite direction to the ambient magnetic field. Usually this requires the interaction of two or more...

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self-reversal

Michael Allaby.

in A Dictionary of Geology and Earth Sciences

January 2013; p ublished online September 2013 .

Reference Entry. Subjects: Earth Sciences and Geography. 44 words.

The ability of certain *ferromagnetic materials to acquire a thermal remanence in the opposite direction to the ambient magnetic field. Usually this requires the interaction of two or more...

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Dual polarity directions in basaltic-andesitic dykes—reversal record or self-reversed magnetization?

U. Liebke, E. Appel, U. Neumann and L. Ding.

in Geophysical Journal International

August 2012; p ublished online August 2012 .

Journal Article. Subjects: Geophysics. 8355 words.

Summary

Rock magnetic analyses were performed on basaltic-andesitic dyke samples from the Lhasa Block, which were previously used for palaeomagnetic...

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Self-reversal of remanent magnetization in basalts due to partially oxidized titanomagnetites

David Krása, Valera P. Shcherbakov, Thomas Kunzmann and Nikolai Petersen.

in Geophysical Journal International

July 2005; p ublished online July 2005 .

Journal Article. Subjects: Geophysics. 14377 words.

Summary

A range of basaltic samples from Olby (France) and Vogelsberg (Germany) displaying the phenomenon of partial and complete self-reversal was studied...

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self-reversal

Overview page. Subjects: Earth Sciences and Geography.

The ability of certain ferromagnetic materials to acquire a thermal remanence in the opposite direction to the ambient magnetic field. Usually this requires the interaction of two or more...

See overview in Oxford Index

self-reversal

Edited by MICHAEL ALLABY.

in A Dictionary of Earth Sciences

January 2008; p ublished online January 2008 .

Reference Entry. Subjects: Earth Sciences and Geography. 41 words.

The ability of certain ferromagnetic materials to acquire a thermal remanence in the opposite direction to the ambient magnetic field.

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Low-temperature partial magnetic self-reversal in marine sediments by magnetostatic interaction of titanomagnetite and titanohematite intergrowths

J. F. L. Garming, T. Von Dobeneck, C. Franke and U. Bleil.

in Geophysical Journal International

September 2007; p ublished online September 2007 .

Journal Article. Subjects: Geophysics. 5029 words.

Summary

With various low-temperature experiments performed on magnetic mineral extracts of marine sedimentary deposits from the Argentine continental slope...

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Chemical and magnetic properties of rapidly cooled metastable ferri-ilmenite solid solutions: implications for magnetic self-reversal and exchange bias—I. Fe-Ti order transition in quenched synthetic ilmenite 61

Karl Fabian, Nobuyoshi Miyajima, Peter Robinson, Suzanne A. McEnroe, Tiziana Boffa Ballaran and Benjamin P. Burton.

in Geophysical Journal International

September 2011; p ublished online September 2011 .

Journal Article. Subjects: Geophysics. 10861 words.

Summary

Quenched ferri-ilmenite solid solutions X FeTiO3+ (1 –X) Fe2O3 with X≈ 0.60 contain chemical and magnetic structures important for understanding the...

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Chemical and magnetic properties of rapidly cooled metastable ferri-ilmenite solid solutions: implications for magnetic self-reversal and exchange bias-II. Chemical changes during quench and annealing

Peter Robinson, Richard J. Harrison, Nobuyoshi Miyajima, Suzanne A. McEnroe and Karl Fabian.

in Geophysical Journal International

February 2012; p ublished online February 2012 .

Journal Article. Subjects: Geophysics. 12727 words.

Summary

Chemical and microstructural evolution during quench and short-term annealing of a sample XFeTiO3= 0.61 is explored in the light of observations in...

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Chemical and magnetic properties of rapidly cooled metastable ferri-ilmenite solid solutions: implications for magnetic self-reversal and exchange bias—III. Magnetic interactions in samples produced by Fe–Ti ordering

Peter Robinson, R. J. Harrison, Karl Fabian and Suzanne A. McEnroe.

in Geophysical Journal International

December 2012; p ublished online December 2012 .

Journal Article. Subjects: Geophysics. 11850 words.

Summary

Paper II of this series described the chemical and microstructural evolution of ferri-ilmenite solid solutions during high-T quench and short-term...

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Oxford Handbook of Nanoscience and Technology

Edited by A.V. Narlikar and Y.Y. Fu.

February 2010; p ublished online July 2017 .

Book. Subjects: Science and Mathematics. 960 pages.

This Handbook presents important developments in the field of nanoscience and technology, focusing on the advances made with a host of nanomaterials including DNA and protein-based...

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Misconceptions about Mirror-Induced Motor Cortex Activation

Peter Praamstra, Laura Torney, Christian J. Rawle and R. Chris Miall.

in Cerebral Cortex

August 2011; p ublished online January 2011 .

Journal Article. Subjects: Neuroscience. 4141 words.

Observation of self-produced hand movements through a mirror, creating an illusion of the opposite hand moving, was recently reported to induce ipsilateral motor cortex activation, that is,...

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Session 1: Trichotillomania (TTM) Education, Therapy Overview, Expectations, and Stimulus Control Assessment

Douglas W. Woods and Michael P. Twohig.

in Trichotillomania: Therapist Guide

March 2008; p ublished online January 2015 .

Chapter. Subjects: Psychosocial Interventions and Psychotherapy. 2515 words.

Chapter 3 outlines a plan for the first session of treatment, education on TTM, an overview of the treatment, therapeutic expectations, an introduction to habit reversal therapy (HRT),...

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self-exciting dynamo

Overview page. Subjects: Earth Sciences and Geography.

A dynamo that produces a magnetic field around itself whereby motions of an electrical conductor, carrying magnetic lines of force, generates further current, eventually resulting in a...

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Session 1: Introduction to the Program

Douglas W. Woods and Michael P. Twohig.

in Trichotillomania: Workbook

March 2008; p ublished online January 2015 .

Chapter. Subjects: Psychosocial Interventions and Psychotherapy. 1465 words.

Chapter 1 outlines the first session of the treatment program, and introduces the program of treatment therapy sessions for trichotillomania (TTM). TTM is defined, along with its...

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The maximum likelihood dating of magnetostratigraphic sections

Otakar Man.

in Geophysical Journal International

April 2011; p ublished online April 2011 .

Journal Article. Subjects: Geophysics. 7711 words.

Summary

In general, stratigraphic sections are dated by biostratigraphy and magnetic polarity stratigraphy (MPS) is subsequently used to improve the dating...

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Neuropsychological assessment of the orbitofrontal cortex

David H. Zald.

in The Orbitofrontal Cortex

October 2006; p ublished online February 2010 .

Chapter. Subjects: Neuroscience. 15911 words.

This chapter reviews the neuropsychological assessment of orbitofrontal functions. It starts by describing the major categories of neurological disorders that result in lesions of the...

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Meditation: magic, myth, and mystery

Michael A. West.

in The Psychology of Meditation

August 1990; p ublished online March 2012 .

Chapter. Subjects: Developmental Psychology. 8081 words.

This chapter presents the lack of consensus between meditators and researchers over the effects of meditation. The results of the research are reviewed and a variety of ...

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Degrees of Self-Maps of Simply Connected Manifolds

Manuel Amann.

in International Mathematics Research Notices

January 2015; p ublished online November 2014 .

Journal Article. Subjects: Mathematics. 12889 words.

An oriented compact closed manifold is called inflexible, if the set of mapping degrees ranging over all continuous self-maps is finite. Inflexible manifolds have gained importance in the...

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A Neural Model of Motion Processing and Visual Navigation by Cortical Area MST

Stephen Grossberg, Ennio Mingolla and Christopher Pack.

in Cerebral Cortex

December 1999; p ublished online December 1999 .

Journal Article. Subjects: Neuroscience. 15940 words.

Cells in the dorsal medial superior temporal cortex (MSTd) process optic flow generated by self-motion during visually guided navigation. A neural model shows how interactions between...

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Evidence of Temporal Cortical Dysfunction in Rhesus Monkeys following Chronic Cocaine Self-Administration

S. Liu, R. P. Heitz, A. R. Sampson, W. Zhang and C. W. Bradberry.

in Cerebral Cortex

September 2008; p ublished online December 2007 .

Journal Article. Subjects: Neuroscience. 5789 words.

Cocaine abusers show impaired performance on cognitive tasks that engage prefrontal cortex. These deficits may contribute to impaired control and relapse in abusers. Understanding the...

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