Year
2023
Season
Spring
Paper Type
Master's Thesis
College
College of Arts and Sciences
Degree Name
Master of Science (MS)
Department
Physics
NACO controlled Corporate Body
University of North Florida. Department of Physics
First Advisor
Dr. Jason T. Haraldsen
Second Advisor
Dr. Michael Lufaso
Third Advisor
Dr. Steven Stagon
Fourth Advisor
Dr. Roxanne Tutchton
Fifth Advisor
Dr. Christopher Lane
Department Chair
Dr. Gregory Wurtz
Abstract
2D magnetic semiconductors have become of interest due to their magneto-optical effects in lower dimensionality. More specifically, CrPS4 has gained renewed attention due to its A-type AFM order and air stability prompting analysis and stability studies in its layered forms for use in scalable technology such as spintronic and optoelectronic devices. In this study, we benchmark our approach using the SCAN meta-GGA functional used without U-parameterization on bulk CrPS4 to demonstrate the accuracy of our methodology to use as tools to go beyond current CrPS4 theoretical studies. We examine the 2D electronic nature and optical spectrum for use in experimental analysis. We demonstrate the growth and characterization process of bulk CrPS4 through means of chemical vapor transport and scanning electron microscopy, exhibiting the efficiency of this material for applied cases. We then theoretically model the electronic systems of MnPS4 and FePS4 by doping CrPS4 with Mn and Fe separately to report the changes in state and band gap due to the added valence electrons an effort to add to the transition-metal thiophosphate family as 2D magnetic materials.
Suggested Citation
Alcantara, Alexandria R., "Investigations into the electronic and magnetic properties of (CrPS4)n layers" (2023). UNF Graduate Theses and Dissertations. 1173.
https://digitalcommons.unf.edu/etd/1173
Included in
Atomic, Molecular and Optical Physics Commons, Condensed Matter Physics Commons, Quantum Physics Commons