A UCF physicist has discovered a new material that has the potential to become a building block in the new era of quantum materials, those that are composed of microscopically condensed matter and expected to change our development of technology.

Researchers are entering the Quantum Age, and instead of using silicon to advance technology they are finding new quantum materials, conductors that have the ability to use and store energy at the subatomic level.

Assistant Professor Madhab Neupane has spent his career learning about the quantum realm and looking for these new materials, which are expected to become the foundation of the technology to develop quantum computers and long-lasting memory devices. These new devices will increase computing power for big data and greatly reduce the amount of energy required to power electronics.

Big companies recognize the potential and they are investing in research. Microsoft has invested in its Station Q, a lab dedicated solely to studying the field of topological quantum computing. Google has teamed up with NASA on a Quantum AI Lab that studies how quantum computing and artificial intelligence can mesh. Once the quantum phenomena are well understood and can be engineered, the new technologies are expected to change the world, much like electronics did at the end of the 20th century.

Neupane’s discovery, published today in Nature Communications is a big step in making that reality happen.

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“Our discovery takes us one step closer to the application of quantum materials and helps us gain a deeper understanding of the interactions between various quantum phases,” Neupane said.

The material Neupane and his team discovered, Hf2Te2P—chemically composed of hafnium, tellurium and phosphorus—is the first material that has multiple quantum properties, meaning there is more than one electron pattern that develops within the electronic structure, giving it a range of quantum properties.

Neupane’s research group is using its specialized equipment for advanced-spectroscopic characterization of quantum materials to develop their work further.

“With the discovery of such an incredible material, we are at the brink of having a deeper understanding of the interplay of topological phases and developing the foundation for a new model from which all technology will be based off, essentially the silicon of a new era,” Neupane said.

Provided by:
University of Central Florida

More information:
M. Mofazzel Hosen et al. Distinct multiple fermionic states in a single topological metal. Nature Communications (2018). DOI: 10.1038/s41467-018-05233-1

Madhab Neupane and his research team with the in-house ARPES system. From left to right: Gyanendra Dhakal (Graduate student), Klauss Dimitri (Undergraduate student), Md Mofazzel Hosen (Graduate student), Madhab Neupane, Christopher Sims (Graduate student), Firoza Kabir (Graduate student) Credit: University of Central Florida