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E-raamat: Single-Molecule Magnets - Molecular Architectures and Building Blocks for Spintronics: Molecular Architectures and Building Blocks for Spintronics [Wiley Online]

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  • Formaat: 456 pages
  • Ilmumisaeg: 21-Nov-2018
  • Kirjastus: Blackwell Verlag GmbH
  • ISBN-10: 3527809929
  • ISBN-13: 9783527809929
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Single-Molecule Magnets - Molecular Architectures and Building Blocks for Spintronics: Molecular Architectures and Building Blocks for SpintronicsSuurem pilt
  • Formaat: 456 pages
  • Ilmumisaeg: 21-Nov-2018
  • Kirjastus: Blackwell Verlag GmbH
  • ISBN-10: 3527809929
  • ISBN-13: 9783527809929
Teised raamatud teemal:
Wiley Online e-raamatudRohkem infot Wiley Online kohta
Raamatu kodulehekülg: https://onlinelibrary.wiley.com/doi/book/10.1002/9783527809929

Concise overview of synthesis and characterization of single molecule magnets

Molecular magnetism is explored as an alternative to conventional solid-state magnetism as the basis for ultrahigh-density memory materials with extremely fast processing speeds. In particular single-molecule magnets (SMM) are in the focus of current research, both because of their intrinsic magnetization properties, as well as because of their potential use in molecular spintronic devices. SMMs are fascinating objects on the example of which one can explain many concepts.

Single-Molecule Magnets: Molecular Architectures and Building Blocks for Spintronics starts with a general introduction to single-molecule magnets (SMM), which helps readers to understand the evolution of the field and its future. The following chapters deal with the current synthetic methods leading to SMMs, their magnetic properties and their characterization by methods such as high-field electron paramagnetic resonance, paramagnetic nuclear magnetic resonance, and magnetic circular dichroism. The book closes with an overview of radical-bridged SMMs, which have shown application potential as building blocks for high-density memories. 

  • Covers a hot topic – single-molecule magnetism is one of the fastest growing research fields in inorganic chemistry and materials science
  • Provides researchers and newcomers to the field with a solid foundation for their further work

Single-Molecule Magnets: Molecular Architectures and Building Blocks for Spintronics will appeal to inorganic chemists, materials scientists, molecular physicists, and electronics engineers interested in the rapidly growing field of study.

Editorial xi
Acknowledgment xiii
1 Introduction to Single-Molecule Magnets
1(40)
Malgorzata Holynska
1.1 What Is a Single-Molecule Magnet?
2(4)
1.1.1 Single-Chain Magnets (SCMs)
2(2)
1.1.2 Single-Ion Magnets (SIMs)
4(1)
1.1.3 Single-Toroid Magnets (STMs)
5(1)
1.2 Historical Aspects
6(6)
1.3 Recent Progress
12(29)
1.3.1 SMMs Based on Actinides
12(3)
1.3.2 Organometallic SMMs
15(2)
1.3.3 Rational Design of SMMs
17(2)
1.3.4 Quantum Computing
19(1)
1.3.5 SMMs in Molecular Machines
20(3)
1.3.6 Magnetic Refrigerants
23(2)
1.3.7 Applications in Other Disciplines
25(3)
Acknowledgment
28(1)
References
28(13)
2 Unique Magnetic Properties
41(46)
Michael Pissas
Vassilis Psycharis
Catherine Raptopoulou
Yiannis Sanakis
2.1 Introduction
42(1)
2.2 Basic Electromagnetic Definitions
43(2)
2.3 Magnetostatic Energy (Magnetic Work)
45(3)
2.4 Thermodynamic Relations
48(1)
2.5 Definition of ac Magnetic Susceptibility
49(14)
2.6 Representative Results
63(6)
2.6.1 Ac Susceptibility Measurements in Tris(Acetylacetonato)iron(III), (Fe(acac)3)
63(1)
2.6.2 Ac Susceptibility Measurements in a One-Dimensional Chain Based on Mn6 Units
64(5)
2.6.3 Spin Relaxation in a Ferromagnetically Coupled Triangular Cu3 Complex
69(1)
2.7 Technical Aspects of the ac Susceptibility Measurements
69(4)
2.8 Intermolecular Interactions
73(5)
2.9 Conclusions
78(9)
References
78(9)
3 Magnetic Modeling of Single-molecule Magnets
87(48)
Vassilis Tangoulis
Nikolia Lalioti
3.1 Introduction
87(3)
3.2 Atoms in a Magnetic Field
90(13)
3.2.1 Free Atoms in a Magnetic Field
90(1)
3.2.1.1 Landed-Factor
91(2)
3.2.2 Brillouin Theory
93(1)
3.2.2.1 J = 1/2 Quantum Moment
93(1)
3.2.2.2 General Quantum Case
93(1)
3.2.3 Energy Spectrum
94(1)
3.2.3.1 One Electron Case
94(1)
3.2.3.2 Many Electrons Case
95(1)
3.2.3.3 Pauli Principle -- The Two Electrons Case
95(1)
3.2.3.4 (L, S)-Multiplets -- The Two Electrons Case
96(1)
3.2.3.5 (L, S)-Coupling
96(3)
3.2.4 Crystal Fields
99(1)
3.2.5 Single-ion Anisotropy
100(1)
3.2.5.1 Heavy Rare-Earths Case
100(1)
3.2.5.2 Expressions of Hcf
101(1)
3.2.5.3 Kramer's Theorem
102(1)
3.3 Magnetic Modeling Tools
103(32)
3.3.1 PHI v.3.0: Software for the Analysis of Anisotropic Monomeric and Exchange-coupled Polynuclear d- and f-Block Complexes
103(1)
3.3.1.1 General Theory
103(602)
3.3.1.2 Hamiltonian Formalism for the Exchange Coupling
105(1)
3.3.1.3 Calculation of Thermodynamic Properties
106(1)
3.3.1.4 Irreducible Tensor Operators (ITOs) Method
107(1)
3.3.1.5 The Isotropic Case: Stepladder Manganese(III) Inverse- [ 9-MC-3] -metallacrown
108(2)
3.3.1.6 Anisotropic Exchange Coupling
110(5)
3.3.2 Monte Carlo Simulations: The ALPS Project Release v.2.0: Open Source Software for Strongly Correlated Systems
115(1)
3.3.2.1 Stochastic Series Expansion (SSE) Quantum Monte Carlo Algorithm
115(2)
3.3.2.2 Local vs Nonlocal Updates
117(1)
3.3.2.3 Thermalization Process
118(1)
3.3.2.4 ALPS Project: Definition of Input Files
118(2)
3.3.2.5 The Case of Heterometallic Molecular Wheels
120(3)
3.3.2.6 The Case of High-nuclearity Copper Cages: Tricorne Cu21 and Saddle-like Cyclic Cu16
123(4)
3.3.2.7 Other Examples. The Case of a MnIIIMnII6 Molecular Wheel
127(4)
References
131(4)
4 Insight into Magnetic and Electronic Properties Through HFEPR Studies
135(38)
J. Krzystek
Joshua Telser
4.1 Introduction: Magnetic vs Electronic Properties of Transition Metal Ions Including SMMs and SIMs
136(2)
4.2 Basics of HFEPR as Applied to SIMs and Other Transition Metal Complexes
138(5)
4.2.1 Spin Hamiltonian
138(2)
4.2.2 Methodology of Extracting ZFS and g Information from HFEPR Spectra
140(3)
4.3 Applicability of HFEPR to Investigating SMMs and SIMs
143(4)
4.3.1 Polynuclear Clusters
143(1)
4.3.2 Dimers
143(1)
4.3.3 Mononuclear Complexes
144(2)
4.3.4 Limitations to HFEPR
146(1)
4.3.5 Techniques Alternative to HFEPR
146(1)
4.4 Interplay Between Spin Hamiltonian Parameters and Crystal/Ligand-Field Parameters. From Simple Ligand Field to Sophisticated Quantum Chemical Calculations
147(26)
4.4.1 Recapitulation
167(2)
Appendix: National High Magnetic Field Laboratory
169(1)
Acknowledgment
169(1)
References
169(4)
5 Other Techniques to Study Single-Molecule Magnets
173(72)
Yiannis Sanakis
Vassilis Psycharis
Michael Pissas
Catherine Raptopoulou
5.1 Introduction
174(1)
5.2 The Mossbauer Effect
174(1)
5.3 The Basic Principles of Mossbauer Spectroscopy
175(1)
5.4 Hyperfine Interactions
176(5)
5.4.1 The Isomer Shift
176(2)
5.4.2 Quadrupole Splitting
178(1)
5.4.3 Magnetic Hyperfine Interactions
179(2)
5.4.4 General Remarks
181(1)
5.5 Relaxation Phenomena and Dynamics
181(4)
5.5.1 Mixed-Valence Systems
183(2)
5.6 Application of Mossbauer Spectroscopy to Single-Molecule Magnets
185(19)
5.6.1 [ FemIIIO2(OH)12(tacn)6]Br8 9H2O
185(2)
5.6.2 (pyrH)5[ FeIII13O4F24(OMe)12] 4H2O MeOH
187(2)
5.6.3 [ FeIII11O7(dea)3(piv)12]Cl 5MeCN
189(1)
5.6.4 [ HFeIII19O14(OEt)30]
190(607)
5.6.5 [ FeIII4(OMe)6(dpm)6]
191(3)
5.6.6 {FeIII[ FeIII(L1)2]3}
194(1)
5.6.7 [ FeII2(acpypentO)(NCO)3]
195(1)
5.6.8 [ FenII9(X)2(I2CMe)8{(2-py)2C02}4] (X = N3-, NCO-, OH-)
196(1)
5.6.9 [ FenII7(OMe)6(Hbmsae)6]Cl2 6H2O
197(2)
5.6.10 [ FeIIFeIII(L)(O2CMe)2](ClO4)
199(2)
5.6.11 [ (Me3TPyA)2FeII2(L)](BArF4)2 and [ (Me3TPyA)2FeII/III2(L)](BArF4)3 CH2Cl2
201(1)
5.6.12 [ (18-C-6)K(thf)2][ (tbsL)Fe3] and [ (crypt-222)K][ (tbsL)Fe3]
202(2)
5.7 Application of Mossbauer Spectroscopy to Single-Ion Magnets
204(11)
5.7.1 [ M(solv)n[ (tpaR)FeII]
204(3)
5.7.2 [ K(crypr-222)][ FeI{C(SiMe3)3}2]
207(1)
5.7.3 [ FeII{C(SiMe3)3}2]
208(1)
5.7.4 [ FeII{N(SiMe3)(Dipp)}2]
209(1)
5.7.5 [ FeII{OC6H3-2,6-(C6H3-iPr2)2}2]
210(1)
5.7.6 [ FeI(cAAC)2Cl]
211(1)
5.7.7 [ FeI(cAAC)2] [ B(C6F5)4]
212(1)
5.7.8 [ K(L)][ FeI{N(SiMe3)3}2]
213(1)
5.7.9 [ FeII(Eind)2]
214(1)
5.8 Application of Mossbauer Spectroscopy to Fe/4f Single-Molecule Magnets
215(16)
5.8.1 [ FeIII4DyIII4(teaH)8(N3)8(H2O)] H2O 4MeCN
215(2)
5.8.2 [ FeIII2LnIIII2(OH)2(teaH)2(O2CCPh)6] 3MeCN (LnIII = CeIII to YbIII)
217(1)
5.8.3 [ FeIII4LnIII2(teaH)4(N3)7(piv)3] (LnIII = YIII, GdIII, TbIII, DyIII, HoIII, ErIII)
218(1)
5.8.4 [ FeIII4DyIII2(OH)2(n-bdea)4(C6H5CO2)8] MeCN
219(2)
5.8.5 [ FeIII4DyIII2(OH)2(n-bdea)4((CH3)3CCO2)6(N3)2] 3MeCN
221(1)
5.8.6 [ Fe7Dy3(μ4-O)2(μ3-OH)2(mdea)7(μ-benzoate)4(N3)6] 2H2O 7MeOH
222(1)
5.8.7 [ Fe4Dy2(μ4-0)2(NO3)2(piv)6(Hedte)2] 4MeCN C6H5OH
223(1)
5.8.8 [ FeIII2Dy2(μ3-OH)2(teg)2(N3)2(C6H5CO2)4]
224(1)
5.8.9 [ FeIII2Dy2(μ3-OH)2(pmide)2(p-Me-C6H5CO2)6]
225(1)
5.8.10 [ FeIII2DyIII2(OH)2(LI)2(HL2)2(NO3)4(H2O)15(MeOH)0.5] 6MeCN
225(3)
5.8.11 [ FeIII2Ln2(H2L)4(NI3)2](ClO4)2 2MeOH 2H2O (Ln = GdIII, DyIII, TbIII)
228(1)
5.8.12 [ FeIII3Ln(μ3-O)2(CCl3CO2)8(H2O)(thf)3] x(thf) y(heptane) (LnIII = CeIII-HoIII, LuIII, YIII)
229(1)
5.8.13 [ FeII2Dy(L)2(H2O)](ClI4)2 2H2O
230(1)
5.9 Application of Mossbauer Spectroscopy to Cyanide-Bridged Complexes
231(3)
5.10 Other Spectroscopic Techniques Used to Study Iron-Based SMMs
234(2)
5.11 Conclusions
236(9)
References
237(8)
6 Synthesis and Chemistry of Single-molecule Magnets
245(130)
Zoi G. Lada
Eugenia Katsoulakou
Spyros P. Perlepes
6.1 General Introduction for the Synthesis of SMMs and SIMs-Organization of the
Chapter
246(1)
6.2 Synthetic Aspects for Polynuclear 3d Metal SMMs
247(15)
6.2.1 Approaches Using Simple 3d Metal Starting Materials
250(4)
6.2.2 Approaches Using Preformed Coordination Clusters or SMMs as Starting Materials -- Retention of Nuclearity
254(4)
6.2.3 Approaches Using Preformed Coordination Clusters or SMMs as Starting Materials -- Change of Nuclearity
258(4)
6.3 Synthetic Aspects for Dinuclear and Polynuclear 4f Metal Complexes with SMM Properties
262(15)
6.3.1 O-Bridged Groups
264(1)
6.3.2 Chlorido Bridges
265(1)
6.3.3 Monoatomic and Polyatomic N-based Ligands
266(1)
6.3.4 Sulfur-bridged SMMs
267(1)
6.3.5 Organometallic Bridges
267(1)
6.3.6 Radical-bridged Lanthanide(III) SMMs
268(2)
6.3.7 Multidecker Lanthanide(III)-Phthalocyanine SMMs
270(7)
6.4 Synthetic Aspects for Dinuclear and Polynuclear Actinide SMMs
271(2)
6.5 Synthesis of 3d/4f-, 3d/5f-, 4f/5f-Metal and Other Heterometallic SMMs
273(9)
6.5.1 3d/4f-Metal SMMs
273(6)
6.5.2 3d/5f-Metal SMMs
279(2)
6.5.3 4f/5f-Metal Clusters and SMMs
281(1)
6.5 A Other Heterometallic SMMs -- the Synthetic Utility of the Cyano Ligand
282(4)
6.6 Synthesis of 3d Metal SIMs
286(3)
6.7 Synthetic Methodology for 4f Metal SIMs
289(7)
6.7.1 Phthalocyanine-based 4f Metal SIMs
290(7)
6.7.2 Non-phthalocyanine 4f Metal SIMs
297(1)
6.8 Synthetic Routes for 5f Metal SIMs
296(11)
6.9 Concluding Comments in Brief-Prognosis for the Future
301(2)
References
303(12)
7 Breakthrough in Radical-bridged Single-molecule Magnets
315(1)
Constantinos Efthymiou
Meghan Winterlich
Constantino Papatriantafyllopoulou
7.1 General Information About Organic Radicals and Their Magnetic Properties
316(2)
7.2 3d Metal Radical SMMs
318(1)
7.2.1 Nitroxide Radical SMMs
318(3)
7.2.2 Carbene Radical SMMs
321(2)
7.2.3 Benzosemiquinonoid and Nindigo Radical SMMs
323(2)
7.3 4f Metal Radical SMMs
325(1)
7.3.1 Phthalocyanine Radical SMMs
325(6)
7.3.2 Nitroxide Radical SMMs
331(5)
7.3.3 N23- Radical SMMs
336(2)
7.3.4 Other 4f Radical SMMs
338(2)
7.4 3d-4f Metal Radical SMMs
340(2)
7.5 5f Metal Radical SMMs
342(1)
7.6 Conclusions
343(2)
References
345(8)
8 Assembly of Polynuclear Single-molecule Magnets
353(1)
Kieran Griffiths
Vladislav A. Blatov
George E. Kostakis
8.1 Introduction
353(1)
8.2 History
354(2)
8.3 Topological Methods in Crystal Chemistry and Coordination Chemistry
356(1)
8.3.1 General Overview of ToposPro
357(3)
8.3.2 Example of the ToposPro Analysis of Polynuclear Coordination Clusters
360(2)
8.4 Polynuclear Coordination Clusters Assembly and Topology
362(1)
8.5 3d-4fPCCs
363(1)
8.5.1 Synthetic Approach for 3d-4f PCCs
363(3)
8.5.2 3d-4f SMMs PCCs
366(2)
8.6 Assembly Examples and Graph Comparison
368(5)
8.7 Targeting for New Topologies
373(4)
8.8 Synthetic Aspects in Recent Examples
377(3)
8.9 Perspective
380(9)
References
380(9)
Annexure 389(26)
About the Authors 415(6)
Index 421
Magorzata Hoyska, PhD, is a junior research group leader at Philipps-University Marburg (Germany). Her research interests include the chemistry of polynuclear metal complexes with oxime/Schiff-base ligands as new magnetic materials and for biological/catalytic applications.
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