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Co-Doped Bi₂Se₃ Crystals

SKU Co-Doped Bi₂Se₃-1-1 Category

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£400.00

Description

Co-Doped Bi₂Se₃ Crystals (Cobalt-Doped Bismuth Selenide)

Co-Doped Bi₂Se₃ is a topological insulator with a layered van der Waals structure. By introducing cobalt as a dopant, the material exhibits enhanced magnetic properties while retaining the unique surface states of a topological insulator. This makes Co-Doped Bi₂Se₃ a promising material for spintronics, quantum materials research, and advanced 2D studies. Our Co-Doped Bi₂Se₃ crystals are synthesized using high-temperature methods to ensure high purity, precise doping, and excellent crystallinity for advanced research applications.

Sample Size Options:
Crystals larger than 10 mm²

Material Properties:
Layered Van der Waals Structure: Suitable for exfoliation into thin layers for 2D studies.
Topological Properties: Retains robust surface states characteristic of topological insulators.
Magnetic Properties: Enhanced magnetic behavior introduced by cobalt doping.
High Conductivity: Metallic surface states with insulating bulk properties.
Environmental Stability: Stable under inert conditions, with moderate sensitivity to oxidation.

Crystal Structure:
Type: Rhombohedral layered structure (R3̅m space group).
Features: Cleavable into thin sheets, suitable for 2D applications and heterostructures.

Degree of Exfoliation:
Ease of Use: Readily exfoliates into monolayers or few-layer sheets for advanced 2D applications.

Other Characteristics:
Magnetism: Exhibits ferromagnetic or paramagnetic behavior depending on doping concentration and temperature.
Spintronics Potential: Ideal for studying spin-momentum locking and spin-based device applications.
Topological Behavior: Supports quantum phenomena such as the quantum anomalous Hall effect.

Applications:
Quantum Materials Research:
Enables studies of magnetic topological insulators and spintronic phenomena.
Spintronics:
Ideal for developing spin-based devices leveraging the unique surface states of topological insulators.
2D Material Studies:
Suitable for exfoliation into thin layers for heterostructure assembly.
Magnetic Sensors:
Promising for use in nanoscale magnetic sensors and detectors.
Fundamental Physics Research:
Provides a platform for exploring quantum anomalous Hall effects and magnetic topological phases.

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