Dr Chris Bell

PhD(Cantab.), MSci(Cantab.), BA(Cantab.)

Senior Lecturer, School of Physics

https://orcid.org/0000-0003-4732-0354

Emailchristopher.bell@bristol.ac.uk

BS8 1TL

Research output per year

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Personal profile

Research interests

My research focuses on the creation and control of novel electronic phases of matter in metals, semiconductors, and insulators. Recently my work has centred on low dimensional systems, including low-density high-mobility two-dimensional superconductors, and ultrathin ferromagnets. Understanding how these two types of long range order, which usually do not exist together in nature, combine and interact is another key area of interest.

I use field-effect gating geometries, precise thin film heterostructures, proximity effects and photoconductivity to induce and continuously tune the electronic properties of these systems. Since the materials science and chemistry of these materials, their interfaces and surfaces, is vital to control and understand in these systems, the research spans a broad range of disciplines. The samples are typically characterized at low temperatures and high magnetic fields, and hence the studies fundamental in nature. These underlying aims feed into the global community’s aspirations of creating new functional materials and devices for future applications.

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Projects

2 Finished

Pulsed laser deposition of ternary oxide nanowires

Bell, C.

1/03/16 → 1/03/17

Project: Research

Light tunable superconducting devices using transition metal oxides

Bell, C.

1/11/14 → 30/04/17

Project: Research

Research Output

85 Article (Academic Journal)
4 Conference Contribution (Conference Proceeding)
2 Letter (Academic Journal)

Atomically-engineered epitaxial anatase TiO₂ metal-semiconductor field-effect transistors

Kim, B., Minohara, M., Hikita, Y., Bell, C. & Hwang, H. Y., Mar 2018, In : Applied Physics Letters. 112, 13, 4 p., 133506.

Research output: Contribution to journal › Article (Academic Journal)

Open Access

File

3 Citations (Scopus)

244 Downloads (Pure)

Inhomogeneous barrier heights at dipole-controlled SrRuO₃/Nb:SrTiO₃ Schottky junctions

Yajima, T., Minohara, M., Bell, C., Hwang, H. Y. & Hikita, Y., 28 Nov 2018, In : Applied Physics Letters. 113, 22, 17 p., 221603.

Research output: Contribution to journal › Article (Academic Journal)

Open Access

File

4 Citations (Scopus)

133 Downloads (Pure)

Observation of signatures of subresolution defects in two-dimensional superconductors with a scanning SQUID

Noad, H., Watson, C. A., Inoue, H., Kim, M., Sato, H. K., Bell, C., Hwang, H. Y., Kirtley, J. R. & Moler, K. A., Aug 2018, In : Physical Review B. 98, 6, 10 p., 064510.

Research output: Contribution to journal › Article (Academic Journal)

Open Access

File