Hugh Churchill Data-verified
Affiliation confirmed via AI analysis of OpenAlex, ORCID, and web sources.
Researcher
faculty
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Biography and Research Information
OverviewAI-generated summary
Hugh Churchill's research focuses on quantum nanophysics and materials science, with a particular emphasis on topological insulators and spintronic applications. His work has investigated the magnetic-field-induced properties of antiferromagnetic topological insulators, such as Mn(Bi$_{1-x}$Sb$_x$)$_2$Te$_4$, and the giant topological Hall effect observed in materials like Mn$_{2-x}$Zn$_x$Sb. Churchill also studies the manipulation of supercurrents in Josephson field-effect transistors using hexagonal boron nitride dielectrics and the effects of oxidation on magnetic domain behavior in nanoscale Fe$_3$GeTe$_2$ for spintronics.
His research extends to the characterization and application of two-dimensional materials, including work on black phosphorus photoconductive terahertz antennas and the second-harmonic generation from MoSe$_2$ monolayers. Churchill has received significant federal funding, including a $3,000,000 NSF NRT-QISE grant focused on bridging 2D quantum materials and engineering in STEM education, and a $50,000 NSF I-Corps grant for the translation potential of robotically manufactured 2D layers. He also secured $367,823 from the NSF for the acquisition of a sputtering-evaporation system for thin film deposition.
With an h-index of 23 and over 5,000 citations across 129 publications, Churchill is recognized as a highly cited researcher. He collaborates extensively with colleagues at the University of Arkansas at Fayetteville, including Xuan-Bac Nguyen and Hoang-Quan Nguyen, as well as Rabindra Basnet at the University of Arkansas at Pine Bluff.
Metrics
- h-index: 23
- Publications: 128
- Citations: 5,476
Selected Publications
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Evolution of magnetoresistance in the magnetic topological semimetals <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mrow> <mml:mi>NdS</mml:mi> <mml:msub> <mml:mi mathvariant="normal">b</mml:mi> <mml:mi>x</mml:mi> </mml:msub> <mml:mi mathvariant="normal">T</mml:mi> <mml:msub> <mml:mi mathvariant="normal">e</mml:mi> <mml:mrow> <mml:mn>2</mml:mn> <mml:mo>−</mml:mo> <mml:mi>x</mml:mi> </mml:mrow> </mml:msub> </mml:mrow> </mml:math> (2025)
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Diffusion-inspired quantum noise mitigation in parameterized quantum circuits (2025)
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Quantum oscillation studies of the nodal line semimetal Ni3In2S2-Se (2025)
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Large negative magnetoresistance in antiferromagnetic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">G</mml:mi><mml:msub><mml:mi mathvariant="normal">d</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">S</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math> (2025)
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Hierarchical Quantum Control Gates for Functional MRI Understanding (2024)
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QClusformer: A Quantum Transformer-based Framework for Unsupervised Visual Clustering (2024)
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Hybrid Quantum Tabu Search for Solving the Vehicle Routing Problem (2024)
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Biaxial strain tuning of excitons in monolayer <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>MoSe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math> by high-temperature physical vapor deposition (2024)
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Study of phase decoherence in GeSn (8%) through measurements of the weak antilocalization effect (2024)
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Diffusion-Inspired Quantum Noise Mitigation in Parameterized Quantum Circuits (2024)
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Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors (2024)
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Substrate Interference and Strain in the Second-Harmonic Generation from MoSe<sub>2</sub> Monolayers (2024)
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Quantum visual feature encoding revisited (2024)
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Surface Roughness Measurement of Functionalized CVD Graphene and Hexagonal Boron Nitride Heterostructures Using Atomic Force Microscopy (2024)
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Quantum Visual Feature Encoding Revisited (2024)
ARA Academy 2021 ARA Fellow
Dr. Churchill is an Arkansas native who earned his Ph.D. in Physics from Harvard University and held a Pappalardo Fellowship at MIT before joining the University of Arkansas in 2015. The Churchill Lab combines expertise in nanofabrication with quantum transport and optoelectronic characterization to investigate the electronic, magnetic, and optical properties of atomically thin 1D and 2D semiconductor quantum devices.
Policy Impact
Co-directs the MonArk NSF Quantum Foundry, securing major federal investment in quantum science and positioning Arkansas as a national player in quantum technology.
Growth Areas
['Materials Engineering Applications', 'Power Electronics, Advanced Packaging & Grid Management Systems']
Federal Grants 3 $3,417,823 total
MRI: Acquisition of a Sputtering-Evaporation System for Thin Film Deposition
NRT-QISE: Bridging the Gap Between 2D Quantum Materials and Engineering in STEM Education
Collaboration Network
Top Collaborators
- Quantum visual feature encoding revisited
- QClusformer: A Quantum Transformer-based Framework for Unsupervised Visual Clustering
- Hybrid Quantum Tabu Search for Solving the Vehicle Routing Problem
- Two-Dimensional Quantum Material Identification via Self-Attention and Soft-labeling in Deep Learning
- Hierarchical Quantum Control Gates for Functional MRI Understanding
Showing 5 of 16 shared publications
- Evidence for a Magnetic-Field-Induced Ideal Type-II Weyl State in Antiferromagnetic Topological Insulator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Mn</mml:mi><mml:msub><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Sb</mml:mi></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Te</mml:mi></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>
- Visualizing the Effect of Oxidation on Magnetic Domain Behavior of Nanoscale Fe<sub>3</sub>GeTe<sub>2</sub> for Applications in Spintronics
- Giant topological Hall effect in centrosymmetric tetragonal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Zn</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi>Sb</mml:mi></mml:mrow></mml:math>
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
Showing 5 of 13 shared publications
- Evidence for a Magnetic-Field-Induced Ideal Type-II Weyl State in Antiferromagnetic Topological Insulator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Mn</mml:mi><mml:msub><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Sb</mml:mi></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Te</mml:mi></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>
- Visualizing the Effect of Oxidation on Magnetic Domain Behavior of Nanoscale Fe<sub>3</sub>GeTe<sub>2</sub> for Applications in Spintronics
- Giant topological Hall effect in centrosymmetric tetragonal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Zn</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi>Sb</mml:mi></mml:mrow></mml:math>
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Giant topological Hall effect in centrosymmetric tetragonal Mn2-xZnxSb
Showing 5 of 11 shared publications
- Quantum visual feature encoding revisited
- QClusformer: A Quantum Transformer-based Framework for Unsupervised Visual Clustering
- Hierarchical Quantum Control Gates for Functional MRI Understanding
- Diffusion-inspired quantum noise mitigation in parameterized quantum circuits
- QClusformer: A Quantum Transformer-based Framework for Unsupervised Visual Clustering
Showing 5 of 11 shared publications
- Evidence for a Magnetic-Field-Induced Ideal Type-II Weyl State in Antiferromagnetic Topological Insulator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Mn</mml:mi><mml:msub><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Sb</mml:mi></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Te</mml:mi></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>
- Visualizing the Effect of Oxidation on Magnetic Domain Behavior of Nanoscale Fe<sub>3</sub>GeTe<sub>2</sub> for Applications in Spintronics
- Giant topological Hall effect in centrosymmetric tetragonal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Zn</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi>Sb</mml:mi></mml:mrow></mml:math>
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
Showing 5 of 9 shared publications
- Visualizing the Effect of Oxidation on Magnetic Domain Behavior of Nanoscale Fe<sub>3</sub>GeTe<sub>2</sub> for Applications in Spintronics
- Giant topological Hall effect in centrosymmetric tetragonal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Zn</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi>Sb</mml:mi></mml:mrow></mml:math>
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
- Giant topological Hall effect in centrosymmetric tetragonal Mn2-xZnxSb
Showing 5 of 9 shared publications
- Giant topological Hall effect in centrosymmetric tetragonal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Zn</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi>Sb</mml:mi></mml:mrow></mml:math>
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
- Quantum oscillation studies of the nodal line semimetal Ni3In2S2-Se
- Large negative magnetoresistance in antiferromagnetic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">G</mml:mi><mml:msub><mml:mi mathvariant="normal">d</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">S</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
Showing 5 of 8 shared publications
- Quantum visual feature encoding revisited
- QClusformer: A Quantum Transformer-based Framework for Unsupervised Visual Clustering
- Hierarchical Quantum Control Gates for Functional MRI Understanding
- QClusformer: A Quantum Transformer-based Framework for Unsupervised Visual Clustering
- Quantum Visual Feature Encoding Revisited
Showing 5 of 8 shared publications
- Evidence for a Magnetic-Field-Induced Ideal Type-II Weyl State in Antiferromagnetic Topological Insulator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Mn</mml:mi><mml:msub><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Sb</mml:mi></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Te</mml:mi></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
- Quantum oscillation studies of the nodal line semimetal Ni3In2S2-Se
- Large negative magnetoresistance in antiferromagnetic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">G</mml:mi><mml:msub><mml:mi mathvariant="normal">d</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">S</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
- Experimental evidence of the field-induced Weyl state in Mn(Bi 1- x Sb x ) 2 Te 4
Showing 5 of 6 shared publications
- Evidence for a Magnetic-Field-Induced Ideal Type-II Weyl State in Antiferromagnetic Topological Insulator <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>Mn</mml:mi><mml:msub><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:msub><mml:mrow><mml:mi>Bi</mml:mi></mml:mrow><mml:mrow><mml:mn>1</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mrow><mml:mi>Sb</mml:mi></mml:mrow><mml:mi>x</mml:mi></mml:msub><mml:mo stretchy="false">)</mml:mo></mml:mrow><mml:mn>2</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mi>Te</mml:mi></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:mrow></mml:math>
- Giant topological Hall effect in centrosymmetric tetragonal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Zn</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi>Sb</mml:mi></mml:mrow></mml:math>
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Giant topological Hall effect in centrosymmetric tetragonal Mn2-xZnxSb
- Experimental evidence of the field-induced Weyl state in Mn(Bi 1- x Sb x ) 2 Te 4
Showing 5 of 6 shared publications
- Giant topological Hall effect in centrosymmetric tetragonal <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msub><mml:mi>Mn</mml:mi><mml:mrow><mml:mn>2</mml:mn><mml:mo>−</mml:mo><mml:mi>x</mml:mi></mml:mrow></mml:msub><mml:msub><mml:mi>Zn</mml:mi><mml:mi>x</mml:mi></mml:msub><mml:mi>Sb</mml:mi></mml:mrow></mml:math>
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
- Quantum oscillation studies of the nodal line semimetal Ni3In2S2-Se
- Large negative magnetoresistance in antiferromagnetic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">G</mml:mi><mml:msub><mml:mi mathvariant="normal">d</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">S</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
Showing 5 of 6 shared publications
- Two-Dimensional Quantum Material Identification via Self-Attention and Soft-labeling in Deep Learning
- Diffusion-inspired quantum noise mitigation in parameterized quantum circuits
- Diffusion-Inspired Quantum Noise Mitigation in Parameterized Quantum Circuits
- Quantum Vision Clustering
- Two-Dimensional Quantum Material Identification via Self-Attention and Soft-Labeling in Deep Learning
Showing 5 of 6 shared publications
- Coupling between magnetic and transport properties in magnetic layered material Mn2-xZnxSb
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
- Quantum oscillation studies of the nodal line semimetal Ni3In2S2-Se
- Large negative magnetoresistance in antiferromagnetic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">G</mml:mi><mml:msub><mml:mi mathvariant="normal">d</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">S</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
- Coupling between Magnetic and Transport Properties in Magnetic Layered Material Mn<sub>2-x</sub>Zn<sub>x</sub>Sb
Showing 5 of 6 shared publications
- Quantum visual feature encoding revisited
- Diffusion-inspired quantum noise mitigation in parameterized quantum circuits
- QClusformer: A Quantum Transformer-based Framework for Unsupervised Visual Clustering
- Diffusion-Inspired Quantum Noise Mitigation in Parameterized Quantum Circuits
- Hierarchical Quantum Control Gates for Functional MRI Understanding
Showing 5 of 6 shared publications
- Array of Graphene Variable Capacitors on 100 mm Silicon Wafers for Vibration-Based Applications
- Insulator‐to‐Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
- Quantum oscillation studies of the nodal line semimetal Ni3In2S2-Se
- Large negative magnetoresistance in antiferromagnetic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi mathvariant="normal">G</mml:mi><mml:msub><mml:mi mathvariant="normal">d</mml:mi><mml:mn>2</mml:mn></mml:msub><mml:mi mathvariant="normal">S</mml:mi><mml:msub><mml:mi mathvariant="normal">e</mml:mi><mml:mn>3</mml:mn></mml:msub></mml:mrow></mml:math>
- Insulator-to-Metal Transition and Isotropic Gigantic Magnetoresistance in Layered Magnetic Semiconductors
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