Single Molecule Toroics [electronic resource] : Synthetic Strategies, Theory and Applications.

Format:

Book

Author/Creator:

Murray, Keith.

Language:

English

Genre:

Electronic books.

Physical Description:

1 online resource (242 p.)

Place of Publication:

Cham : Springer International Publishing AG, 2022.

Contents:

Intro

Preface

Acknowledgements

Contents

Editor and Contributors

About the Editor

Contributors

1 Introduction to Single-Molecule Toroics

1.1 Background

1.2 The Birth of SMTs and Their Rapidly Evolving Family Tree

1.3 Classification of SMTs

1.4 The Impetus for Single-Molecule Toroic Research

1.5 Important Criteria and Techniques

1.6 Key Recent Advances and Future Challenges in SMTs

References

2 Mixed d-f Block Single-Molecule Toroics

2.1 Introduction

2.2 "Pair of MIII-bridged Dy3 Triangles" of Type [MIIIDyIII6(OH)8(o-tol)12(NO3)(MeOH)5]∙3MeOH

2.2.1 Synthesis, Characterization and Structure of the Parent Heptanuclear Complex MIII == CrIII, Labelled CrDy6 [17]

2.2.2 Magnetic Properties and Ferrotoroidicity [17]

2.2.3 Micro-SQUID Hysteresis Loops on Single Crystals [17]

2.2.4 EPR Spectra [17]

2.2.5 Theory

Single Ion Calculations-Blocking Barriers

Relaxation Effects [17]

2.2.6 Magnetically Coupled States in MDy6 [19]

2.2.7 Role of Coupled Toroidal States in Spin Dynamics: Direct Simulation of the Magnetic Hysteresis Experiments [17, 19]

2.2.8 Spin Dynamics of Decoupled Toroidal Moments: The Case of the Dy3 Single Triangle

2.3 Changes in MIII, LnIII and Counter-anion, NO3− vs Cl−, in [MIIIDyIII6(OH)8(o-tol)12(NO3)(MeOH)5]∙3MeOH

2.3.1 Changing the LnIII Ion [18]

2.3.2 Changing the MIII Ion and Counter-Ion in MDy6 Species [19]

2.3.3 Toroido-Structural Correlations: Ways of Optimizing Ferrotoroidic Coupling [19]

2.3.4 Simulations of the Hysteretic Dynamics: Important Role of the M-Linker in Tuning Toroidal-Magnetic Zeeman Level Crossings [19]

2.4 Other Mixed d-block/f-block Single-Molecule Toroics with Ring Structures

2.4.1 Mn8Dy8

2.4.2 Fe8Dy8

2.4.3 Cu6Ln6

2.4.4 Fe18Dy6

2.5 Conclusions and Future Directions

3 Single-Molecule Toroics: Design and Synthetic Strategies

3.1 Introduction

3.2 The Seminal Dy3 SMT: The Archetype of the Noncollinear Ising Model

3.3 New Ln3 (DyIII, TbIII, HoIII) and Dy4-SMT Systems

3.4 SMTs Based on Seminal Dy3 Triangle and Dy6 Wheel SMTs

3.5 Coupling Dy3 Triangular SMTs

3.6 Heterometallic 3d−4f Metallocycle SMTs

3.7 Conclusion

References

4 Rationalization of Room-Temperature Single-Molecule Toroics via Exchange Coupling

4.1 Introduction

4.2 Survey of Typical SMTs

4.2.1 The Pioneering Dy3 SMT

4.2.2 Other Dysprosium SMTs

4.2.2.1 Trinuclear ""4266308 Dy3""5267309 Triangle

4.2.2.2 Tetranuclear ""4266308 Dy4""5267309 Squares

4.2.2.3 Hexanuclear ""4266308 Dy6""5267309 Wheel

4.2.2.4 Tetranuclear ""4266308 Dy4""5267309 Cubane

4.2.2.5 Octanuclear ""4266308 Dy8""5267309 "Christmas-Star"

4.2.2.6 Coupled ""4266308 Dy3""5267309 Triangle

4.2.2.7 Higher-Dimensional SMTs

4.2.3 Heterometallic 3d-4f SMTs

Notes:

Description based upon print version of record.

4.2.3.1 ""4266308 Cr-Dy""5267309 Sandwich

Other Format:

Print version: Murray, Keith Single Molecule Toroics

ISBN:

9783031117091

3031117093

OCLC:

1351749760

Access Restriction:

Restricted for use by site license.