low-dimensional materials research


Welcome to the webpage of the Low-Dimensional Materials (Lowdim) line of research. This line of research is integrated within the Optoelectronic Materials and Devices (UMDO) unit of research of the Photonics & Semiconductors group of the Materials Science Institute (ICMUV) of the University of Valencia.

Our research develops within fields of Nanophysics and Nanomaterials, as we explore the physical properties of low dimensional materials. Low dimensional materials refer to those systems in which electronic state wavefunction is confined, at least in one of the three dimensions. Electronic confinement generally appears in the range from 1 nm to 100 nm. In these materials, spatial constraints give rise to quantum size effects, which can significantly alter their electronic properties and deeply modify their behavior, as compared to their bulk counterparts. Those systems have shown a kaleidoscope of intriguing phenomena and extraordinary electronic, conducting, optical, thermal, mechanical and chemical properties, which may result in their use in wide range of nanotechnology.

Technologically relevant examples of low-dimensional systems are two-dimensional (2D) materials, such as graphene, layered semiconductors and insulators, topological insulators, etc.

The primary goals of Lowdim are the synthesis of novel 2D materials and the fundamental understanding of their properties. Current work-areas of the Unit include:

  • The development of preparation techniques which may produce large-area crystalline 2D layered materials exhibiting tunable band gaps.
  • The development of doping techniques able to tailor the electronic, optical, and transport properties of 2D layered materials.
  • The electronic and optical characterization of 2D materials and related devices.
  • The development of structures based on 2D materials for optoelectronic applications.
  • The design, development, and characterization of devices combining 2D materials, nanoribbons and/or QDs.

What could we do with layered structures with just the right layers? What would the properties of materials be if we could really arrange the atoms the way we want them?.

Richard Feynman, Plenty of Room at the Bottom, 1959