Presentation Title

Synthesis and Phase Diagram Investigation of Spinel Vanadates

Presentation Type

Presentation

Full Name of Faculty Mentor

Scott Carr, Physics and Engineering Science

Major

Applied Physics

Presentation Abstract

Spinel vanadate systems, AV2O4, display a wide range of physical characteristics from magnetic, structural, and electronic frustration, to heavy fermion behavior. These materials, which are primarily ceramics, contain differing phenomena based upon which element occupies the A-site. Our focus is on A = Li, Zn, and Al. The vanadium valence changes from 3.5+ to 2.5+ through the shift of Li to Al, and we are interested in whether or not this transition is continuous or if other phenomena will present themselves when delving into the transition regions. Vanadium valence drives the physics of these compounds meaning that having a complete map of valence based physical phenomena can lead to a better understanding of these compounds. Our goal is to synthesize Al(1-x)Zn(x)V2O4, measure its magnetic, structural, and electronic properties, map out the phase diagram, and if possible delve deeper into the low temperature physics of AlV2O4.

Location

Room 1

Start Date

22-4-2021 2:20 PM

End Date

22-4-2021 2:40 PM

Disciplines

Physics

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Apr 22nd, 2:20 PM Apr 22nd, 2:40 PM

Synthesis and Phase Diagram Investigation of Spinel Vanadates

Room 1

Spinel vanadate systems, AV2O4, display a wide range of physical characteristics from magnetic, structural, and electronic frustration, to heavy fermion behavior. These materials, which are primarily ceramics, contain differing phenomena based upon which element occupies the A-site. Our focus is on A = Li, Zn, and Al. The vanadium valence changes from 3.5+ to 2.5+ through the shift of Li to Al, and we are interested in whether or not this transition is continuous or if other phenomena will present themselves when delving into the transition regions. Vanadium valence drives the physics of these compounds meaning that having a complete map of valence based physical phenomena can lead to a better understanding of these compounds. Our goal is to synthesize Al(1-x)Zn(x)V2O4, measure its magnetic, structural, and electronic properties, map out the phase diagram, and if possible delve deeper into the low temperature physics of AlV2O4.

https://digitalcommons.coastal.edu/ugrc/test1/test1track/76