Contributors; 1 Rotational Anisotropy Nonlinear Harmonic Generation; 1 Definition of the Subject; 2 Overview; 3 Introduction; 4 Experimental and Instrumental Methodology; 4.1 The Nonlinear Optical Response of Crystals; 4.1.1 Effect of Static Fields; 4.1.2 Rotational Anisotropy Signal; 4.2 Optical Setups; 4.2.1 Light Sources and Detection; 4.2.2 Time Resolution; 5 Key Research Findings; 5.1 Crystallographic Measurements of Hard Condensed Matter; 5.1.1 Changes in Electronic Structure: The 3D Topological Insulator Bi2Se3

5.1.2 Structural Refinement: The 5d Transition Metal Oxide Sr2IrO45.1.3 Surface and Interface Characterization: Rotational Anisotropy Sum-Frequency Generation as a Probe of Adsorbed Molecular ...; 5.1.4 Influence of Current Biasing on 2D Materials: Graphene; 5.1.5 Structural Characterization of 2D Materials: MoS2; 5.1.6 Chirality and Super-resolution Imaging: Nanostructures; 5.1.7 RA-SHG Imaging: Application to SiC Polytypes; 5.2 Electronic Effects and Magnetic Order in Hard Condensed Matter; 5.2.1 Influence of Excitonic States on SHG: ZnO

5.2.2 Interplay Between Various Degrees of Freedom: Multiferroics5.2.3 Probing Externally Generated Sources of SHG: Magnetic Thin Films; 6 Conclusions and Future Perspective; References; 2 Magnetic Rotational Spectroscopy for Probing Rheology of Nanoliter Droplets and Thin Films; 1 Magnetic Rotational Spectroscopy; 1.1 Definition of the Topic; 2 Introduction; 2.1 Magnetic Rotational Spectroscopy for Newtonian Fluids; 2.2 Ferromagnetic Particles; 2.3 Paramagnetic Rods; 2.4 Time Dependent Viscosity ; 2.5 Viscoelasticity; 2.6 Static Magnetic Field; 2.7 Rotating Magnetic Field

3 Experimental and Instrumental Methodology3.1 Magnetic Rotational Spectrometer ; 3.2 Probes ; 3.2.1 Spherical Probes; 3.2.2 Elongated Probes; 3.2.3 Selecting the Right Probes for Particular Applications; 3.2.4 Characterization of Rod-Like Magnetic Probes Using MRS: Self-Calibration; 4 Key Research Findings; 4.1 Characterization of Fluids with Low Viscosity; 4.2 Characterization of Thin Films Thickening with Time; 4.3 Measurements of Interfacial Viscosity; 5 Conclusions; References; 3 Iron Oxide Nanoparticle-Based MRI Contrast Agents: Characterization and In Vivo Use

1 Definition of the Topic2 Overview; 3 Introduction; 3.1 Basic Principles; 3.2 Iron Oxide Nanoparticles; 4 Experimental and Instrumental Methodology; 4.1 Magnetic Resonance Imaging; 4.1.1 Theoretical Basis of NMR; 4.1.2 Relaxation Phenoma and Relaxometry; Relaxometry; 4.2 Size Characterization; 4.2.1 Transmission Electron Microscopy; 4.2.2 Dynamic Light Scattering; 4.3 Magnetic Characterization; 4.3.1 Introduction; 4.4 Surface Engineering; 5 Key Research Findings; 5.1 Nanoparticles for T2-Weighted MRI; 5.1.1 Lymph Node Imaging; 5.1.2 Atherosclerosis Plaque Detection