Hysteresis in the de Haas-van Alphen effect

Area of Science:

• Condensed matter physics
• Quantum oscillations
• Materials science

Background:

• The de Haas-van Alphen (dHvA) effect reveals electronic properties through quantum oscillations in magnetic susceptibility.
• Understanding magnetic field interactions in materials is crucial for developing new technologies.

Purpose of the Study:

• To investigate the de Haas-van Alphen (dHvA) effect in beryllium single crystals.
• To explore the phenomenon of magnetic hysteresis in quantum oscillation experiments.
• To characterize the conditions leading to Condon domain formation.

Main Methods:

• Low-temperature measurements of beryllium single crystals.
• Application of a quantizing magnetic field parallel to the hexagonal axis.
• Observation and analysis of magnetization changes.
• Harmonic analysis to determine hysteresis loop characteristics.

Main Results:

• First observation of a hysteresis loop in the dHvA effect of beryllium.
• Irreversible magnetization behavior linked to Condon domain formation.
• Nonlinear response to modulation fields enabling Condon domain phase diagram determination.

Conclusions:

• The study reveals a new magnetic phenomenon in beryllium under specific conditions.
• The observed hysteresis loop provides insights into Condon domain formation.
• This finding offers a simplified method for mapping the Condon domain phase diagram.