
Carbon Based Magnetism
An Overview of the Magnetism of Metal Free Carbon-based Compounds and Materials
Description
Key Features
- The most complete, detailed, and accurate Guide in the magnetism of carbon
- Dynamically written by the leading experts
- Deals with recent scientific highlights
- Gathers together chemists and physicists, theoreticians and experimentalists
- Unified treatment rather than a series of individually authored papers
- Description of genuine organic molecular ferromagnets
- Unique description of new carbon materials with Curie temperatures well above ambient.
Readership
Table of Contents
Editors’ Preface
Foreword
Chapter 1: Localized Spins Exchange-coupled with Itinerant Electrons in Organic π-electronic System
1 Preface
2 High Spin Hydrocarbons as a Model for One-dimensional Organic Ferromagnet
3 Spin Alignment Based on Itinerant Electron
4 Spin Alignment via Charge Transfer Interaction
5 Design of Spin-polarized Donors
6 Molecular and Crystal Design for Organic Ferromagnetic Metal
7 Conducting and Magnetic Properties of Networked Gold Nanoparticles Connected by Spin-polarized Molecular Wires
8 Summary
Chapter 2: Magneto-structural Correlations in π-Conjugated Nitroxide-based Radicals: Hydrogen-bonds and Related Interactions in Molecular Organic Solids
1 Introduction
2 Exchange and Crystal Assembly in Phenolic Nitronynitroxides
3 Bio-inspired Molecular Recognition for Crystal Assembly
4 Exchange and Crystal Assembly in Nitronylnitroxides with Hydrogen-bonding Azaarenes
5 Exchange and Crystal Assembly in Tert-butylnitroxides with Hydrogen-bonding Azaarenes
6 Exchange and Crystal Assembly in Cyclic Aza-Radicals Bearing Carboxylic Acid Groups
7 Exchange and Crystal Assembly in Aryl Tert-butylnitroxides Bearing Carboxylic Acid Groups
8 Conclusion
Acknowledgements
Chapter 3: Persistent High-spin Organic Polyradicals
1 Introduction
2 Spin Alignment of Non-Kekulé and Non-Disjoint Molecules
3 π-conjugated Polymers Bearing Aminium Cationic Radicals for High-spin Alignment at Room Temperature
4 m-phenylene-connected and Cross-conjugated Arylaminium Cationic Radicals
5 Two-Dimensionally Extended Poly(aminium cationic radical)s
Chapter 4: Verdazyl-based Magnetic Systems
1 Introduction
2 General Magnetic Properties of Verdazyl Radical Crystals
3 Ferromagnetism in Verdazyl Radical Crystals
4 Antiferromagnetism in Verdazyl Radical Crystal
5 Weak Ferromagnetism in Verdazyl Radical Crystals
6 Spin Peierls Transition in Verdazyl Radical Crystals
7 Spin Frustration in Verdazyl Radical Crystals
8 Magnetic Property of Verdazyl Radical Alloy
9 Photo-Excited High Spin States on π-Conjugated Verdazyl Radicals
10 Transition Metal Complex of Verdazyl Radicals
11 Magnetic Conductors Based on Verdazyl Radicals
Chapter 5: Quantum Spin Magnetism in Nitroxide-based Compounds
1 Introduction
2 A Zigzag Spin Chain, F2PIMNH [14]
3 Polyradical Approach
4 Spin Ladder
5 Ferrimagnetism
6 Spin Frustration
7 Pressure Effects
8 Field Induced Magnetic Ordering
Acknowledgements
Chapter 6: The Magnetism of π-Orbitals under Pressure
1 Introduction
2 Experiments under Pressure
3 Pressure Effects on Genuine Organic Antiferromagnets
4 Pressure Effects on Genuine Organic Ferromagnets
5 Pressure Effects on Sulfur-based Organic Magnets with Ferromagnetic Moments
6 Other Interesting Pressure Effects on Thermally and Structurally Unstable Compounds
7 Conclusion
Chapter 7: Spin Density Distribution and Interaction Mechanisms in Thiazyl-based Magnets
1 Introduction
2 Spin Densities in the Dithiadiazolyl Ring
3 Spin Density Studies on thep-nitro-tetrafluorophenyl- dithiadiazolyl radical (3)
4 Magnetic Interactions in Dithiadiazolyl Radicals
5 Other Thiazyl Radicals
6 Conclusions
Chapter 8: Magnetic Bistability in Molecule-based Magnetic Materials
1 Introduction
2 Magnetic Bistability in Organic Radical Solids
3 Molecule-based Magnetic Bistable Materials
4 Summary
Chapter 9: The Nature of Effective Exchange Interactions
1 Introduction
2 The Nature of Chemical Bonds and Magnetic Interactions
3 Less Screening Rule and Hund Rule
4 Spin Polarization Rule and Related Spin Alignment Rules
5 Intermolecular Spin Alignment Rules
6 Conclusion
Chapter 10: Magnetism of Fullerene Charge-transfer Complexes
1 Introduction
2 TDAE-C60
3 Higher Fullerenes Reduced with TDAE
4 Reduction of C60 with Different Organic or Organometallic Donors
5 Charge Transfer Complexes of C60 Derivatives
6 Intercalation of Magnetic Ions
Chapter 11: Diamagnetism of Diamond and Graphite
1 Introduction
2 Theory of (Dia)magnetism
3 Diamagnetism of Diamond
4 Graphite: Electronic Band Structure
5 Graphite: Magnetic Susceptibility
7 Concluding Remarks
Acknowledgements
Chapter 12: Electronic and Magnetic Properties of Nanographites
1 Introduction
2 Electronic States of Nanographite Ribbons
3 Electronic States in a Magnetic Field
4 Bearded Edge and Cove Edge
5 Connection with Anisotropic Superconductivity
6 Orbital Diamagnetism and Pauli Paramagnetism
7 Magnetic Instability
8 Summary
Chapter 13: Flat-band Ferromagnetism in Organic Crystals
1 Introduction
2 Effective Models for Nano-graphite
3 Nano-graphite and Edge States
4 Flat-band Ferromagnetism in Organic Materials
5 Materials Design of Magnetic Carbon
6 Summary and Discussion
Chapter 14: Magnetism in Nanometer-scale Materials that Contain No Magnetic Elements
1 Preamble
2 Density Functional Theory
3 Edge States of Zigzag-shaped Graphite Ribbons
4 Magnetic Ordering Related to Border States
5 Magnetic Carbon Nanotubes
6 Magnetism on Si Surfaces
7 Concluding Remarks: Quantum Design of Nanomagnets
Acknowledgements
Chapter 15: Interactions and Disorder in 2D Graphite Sheets
1 Introduction
2 The Elecronic Structure of Graphene Sheets
3 The Long Range Coulomb Interactions in Graphite
4 Effects of Disorder
5 Combined Effects of Disorder and the Electronic Interactions
6 Coupling between Graphene Layers
7 Conclusions
Chapter 16: The Magnetic Nature of Intrinsic and Irradiation-induced Defects in Carbon Systems
1 Introduction
2 Methodology
3 Magnetic Properties of the Frenkel Pair in Carbon Systems
4 Magnetism Stimulated by Non-magnetic Impurities
5 Conclusions and Outlook
Chapter 17: Unconventional Magnetic Properties of Nanographite
1 Introduction
2 What Theory Predicts on the Electronic and Magnetic Structure of Nanographene
3 Electronic and Magnetic Features of Nanographite and Networked Nanographites
4 Nanographite Grown in sp2/sp3 Mixed Nano-carbon
5 Host-guest Interaction and Edge-state Spins
6 Summary
Acknowledgements
Chapter 18: Ferromagnetic and Superconducting Instabilities in Graphite
1 Introduction
2 Ferromagnetism in Carbon Materials: a Comparative Study
3 Oxygen adsorption Effect on the Magnetic Properties of Graphite
4 Coexistence of Superconducting and Ferromagnetic Instabilities in Graphite-sulfur Composites
5 Discussion and Concluding Remarks
Chapter 19: Induced Magnetic Order by Ion Irradiation of Carbon-based Structures
1 Motivation
2 Irradiation Characteristics
3 Irradiation Effects
4 Annealing and Aging Effects
5 Conclusion and Open Issues
Acknowledgements
Chapter 20: Magnetic Properties of Novel Carbon Allotropes
1 Introduction
2 Strongly Paramagnetic and Ferromagnetic Pure Carbons
3 Causes of Para- and Ferromagnetism in Pure Carbon
4 Synthesis Techniques
5 Concluding Remarks
Chapter 21: McConnel Model for the Magnetism of C60-based Polymers
1 Introduction
2 C60-Polymers: A brief overview
3 Carbon Magnetism: A Member of a New Magnetic Class?
4 Defects in Carbon-based Materials
5 Theoretical Models
6 Magnetic C60 Polymers Revisited
7 Discussion and Conclusions
Acknowledgments
Chapter 22: The Mechanism of the Magnetic Interaction in Polymeric-C60 Fullerenes
1 Introduction
2 Methodological Considerations
3 The Cage-vacancy Mechanism
4 The Open-cage Mechanism
5 The Interfragment Bond-breaking Mechanism
6 Summary and Conclusions
Acknowledgments
Chapter 23: Ferromagnetism in Defective Polymerised C60
1 Introduction
2 Methodology
3 Pristine Rh-C60
4 Prototype Defective Structures: Vacancy Defects
5 Spontaneous Formation of Defects from Pressure
6 Spontaneous Formation of Defects from Pressure and Temperature
7 A Ferromagnetic Ground State in the presence of Hydrogen
8 Conclusions
Acknowledgements
Chapter 24: Ferromagnetic Carbonaceous Compounds
1 Introduction
2 Experimental Evidence
3 Summary of Experimental Observations
4 Theoretical Models
5 Conclusions
Subject Index
Product details
- No. of pages: 576
- Language: English
- Copyright: © Elsevier Science 2006
- Published: January 16, 2006
- Imprint: Elsevier Science
- eBook ISBN: 9780080460376
- Hardcover ISBN: 9780444519474