Crystal growth by Bridgman and Czochralski method of the ferromagnetic quantum critical material YbNi4P2

Highlights

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Successful single crystal growth of YbNi₄P₂ by Bridgman and Czochralski method.

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Large and inclusion free single crystals grown from levitating melt.

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Single crystals exhibit ${}_{\mathrm{}\mathrm{}}\mathrm{}$.

Abstract

The tetragonal YbNi₄P₂ is one of the rare examples of compounds that allow the investigation of a ferromagnetic quantum critical point. We report in detail on two different methods which have been used to grow YbNi₄P₂ single crystals from a self-flux. The first, a modified Bridgman method, using a closed crucible system yields needle-shaped single crystals oriented along the [001]-direction. The second method, the Czochralski growth from a levitating melt, yields large single crystals which can be cut in any desired orientation. With this crucible-free method, samples without flux inclusions and a resistivity ratio at 1.8 K of ${}_{\mathrm{}\mathrm{}}\mathrm{}$ have been grown.

Keywords

• Growth from high-temperature solutions; 
• Czochralski method; 
• Single crystal growth;
• Ytterbium compounds; 
• Rare earth compounds; 
• Quantum critical materials
• • • Source:Sciencedirect
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