Description

In this module students work in groups to prepare presentations for the whole class and follow this by working individually on their own reports, which comprise the majority of the assessed components. The fundamental physics learned in previous core modules on quantum mechanics, solid-state and statistical physics, is used as a basis to describe and explain the operation of devices that exploit both quantum phenomena and the unique characteristics of graphene. As well as demonstrating the application of physics to technology, the module also provides a grounding that will be useful for careers in the electronics and photonics industries.

Module Aims

Our ability to transmit, process, and store information now depends upon the quantum properties of matter and radiation and in some cases may exploit the properties of single quanta. In addition to their potential applications, quantum phenomena continue to provide new ways of probing our understanding of the world and allow us to explore the new physics of nanostructures and nanomaterials, such as graphene.

Intended Learning Outcomes (ILOs)

A student who has passed this module should be able to:

• Module Specific Skills and Knowledge:
  1. describe the physical principles and operation of a range of devices, and the methods used to fabricate and characterise such devices;
  2. demonstrate an understanding of quantum and graphene based devices;
  3. critically appraise the advantages and disadvantages associated with quantum and nanostructure devices in a range of applications.
• Discipline Specific Skills and Knowledge:
  4. discover and evaluate technical information from a variety of sources;
  5. solve problems which require discovery of information.
• Personal and Key Transferable / Employment Skills and Knowledge:
  6. communicate technical information in a succinct and precise manner.

Syllabus Plan

The schedule of work is as follows:

Because of the rapid change in this area, the topics will be drawn from current research and so those given below are indicative examples only.

1. Photon Detectors
   Semiconductor based photo detectors; Charge-coupled devices; Photomultipliers.
2. Microcavities and Photonic Crystals
   3D polaritons, microcavity polaritons; photonic crystal fabrication and optical properties.
3. Quantum Dots
   Fabrication; basic physics - energy spectrum and density of states; optical properties - oscillator strength and spectra; Coulomb blockade and single-electron transistors.
4. Quantum Dot Lasers
   Semiconductor lasers; Vertical-Cavity Surface-Emitting lasers; the advantages of quantum dots.
5. Physics of Graphene
   Crystal structure; the Dirac equation; single-, bi- and tri-layer graphene band structures; suspended vs supported graphene; Moiré patterns.
6. Graphene Transistors
   DC electrical transport; chemical sensors; oscillators.
7. Graphene Optoelectronics and Plasmonics
   Saturable absorber in laser; photovoltaics; touch-screens; plasmonics.
8. Production of Graphene and Other 2-D Materials
   Carbon nanotubes and nanoribbons; molybdenum sulphide, tungsten sulphide; topological insulators.

Learning and Teaching

Learning Activities and Teaching Methods

Assessment

Notes:  The Assessment Criteria are published in the Physics Handbook.

Resources

The following list is offered as an indication of the type & level of information that students are expected to consult. Further guidance will be provided by the Module Instructor(s).

Core text:

• Not applicable

Supplementary texts:

• Not applicable

ELE:

• http://newton.ex.ac.uk/redirects/ELE/phy3064

Further Information

Prior Knowledge Requirements

Re-assessment

Re-assessment is not available except when required by referral or deferral.

Notes: Note: Referred assessment, in the form of prepared essays written under examination conditions, is available for this module. See also the Physics Examination Conventions.

KIS Data Summary

Miscellaneous