Charge transport properties of spin crossover systems

Area of Science:

• Materials Science
• Quantum Chemistry
• Condensed Matter Physics

Background:

• Spin crossover (SCO) compounds exhibit a change in spin state triggered by external stimuli like temperature, light, pressure, or electric fields.
• These SCO systems are promising for spintronic devices due to their switching behavior near room temperature.
• Recent decades have seen significant advancements in both theoretical and experimental studies of SCO compounds.

Purpose of the Study:

• To review the current state of quantum chemical approaches for studying spin crossover systems.
• To discuss experimental investigations into the transport properties of single-molecule, nano-object, and thin-film SCO systems.

Main Methods:

• Theoretical quantum chemical calculations to model SCO compound behavior.
• Experimental techniques to probe transport properties in SCO materials at various scales.

Main Results:

• Quantum chemical methods provide valuable insights into the mechanisms of spin transitions in SCO compounds.
• Experimental studies reveal the electrical transport characteristics of SCO systems, crucial for device applications.
• The review synthesizes findings from both theoretical and experimental domains.

Conclusions:

• Quantum chemical approaches are essential for understanding and designing spin crossover materials.
• Investigating transport properties is key to realizing the potential of SCO compounds in spintronic devices.
• Further research integrating theory and experiment will accelerate the development of next-generation magnetic molecular devices.