ASSEMBLY OF QUASICRYSTALLINE PHOTONIC HETEROSTRUCTURES

• US 20130164884A1
• Filed: 02/21/2013
• Published: 06/27/2013
• Est. Priority Date: 07/08/2005
• Status: Abandoned Application

• Current Assignee: New York University, The Trustees of Princeton University (Princeton University)
• Original Assignee: New York University, The Trustees of Princeton University (Princeton University)
• Inventors: Grier, David G., Roichman, Yael, Man, Weining, Chaikin, Paul Michael, Steinhardt, Paul Joseph
• Application Number:
  US13/773,248
• Publication Number:
  US 20130164884A1
• Time in Patent Office: Days
• US Class Current: 438/94
• CPC Class Codes: B82Y 20/00 Nanooptics, e.g. quantum optics or photonic crystals
• CPC Class Codes: G02B 6/1225 comprising photonic band-gap structures or photonic lattices

Abstract

A method and system for assembling a quasicrystalline heterostructure. A plurality of particles is provided with desirable predetermined character. The particles are suspended in a medium, and holographic optical traps are used to position the particles in a way to achieve an arrangement which provides a desired property.

Claims

1. A method for assembling a heterostructure having selectable properties, comprising:

providing a plurality of particles of predetermined character selected from the group of size, shape, biological property or chemical property;

providing a particle movement force to establish a particular quasicrystalline arrangement, the particle movement force selected from the group of self assembly forces, photonic based methodologies, controlled electrical field forces and controlled magnetic field forces;

arranging the plurality of particles into a three dimensional form of the quasicrystalline arrangement using the particle movement force to establish a quasicrystalline arrangement of the particles.

2. The method as defined in claim 1 further including at least one of the steps of establishing a defect state in the quasicrystalline arrangement, replacing at least one of the plurality of particles with a particle of different size or shape or property, establishing a different quasicrystalline domain within the quasicrystalline arrangement, mixing in a crystalline domain with the quasicrystalline arrangement and arranging the plurality of particles by self assembly.

3. The method as defined in claim 1 further including the step of forming the particular quasicrystalline arrangement of the plurality of particles with a preselected symmetry unachievable by crystalline materials.

4. The method as defined in claim 1 wherein the step of providing the plurality of particles comprises using at least one of microparticles, nanoparticles, large molecules, and biological cells.

5. The method as defined in claim 1 further including the step of forming the quasicrystalline arrangement and establishing a selected one of a photonic band gap, a chemical functionality, an electrical conductivity attribute, a biological attribute and a magnetic attribute.

6. The method as defined in claim 1 wherein the chemical functionality comprises catalytic activity, the electrical conductivity attribute is selected from the group of metallic, semiconducting and superconducting;

the magnetic attribute comprises a high magnetic flux exhibited by the plurality of particles, a first one of the chemical functionality comprises a preselected changed chemical property and a second one of the chemical functionality comprises a change in a property over a corresponding crystalline structure composed of same chemical composition.

7. The method as defined in claim 1 further including the step of dynamically altering the particular arrangement for achieving different ones of the selectable properties for a selected application.

8. The method as defined in claim 1 wherein the selected application comprises at least one of changing a quasicrystalline property selected from the group consisting of mechanical properties, electrical properties, chemical properties, magnetic properties and biological functionality.

9. The method as defined in claim 1 further including the step of applying at least one of an electromagnetic field, an electrical field and a magnetic field to further modify properties of the quasicrystalline arrangement.

10. A method of assembling a heterostructure having selectable properties, comprising:

providing a plurality of particles of predetermined character selected from the group of size, shape, biological property or chemical property;

providing a particle movement force to establish a particular quasicrystalline arrangement; and

arranging the plurality of particles into a three dimensional arrangement by using the particle movement force to establish a quasicrystalline three dimensional arrangement of the particles.

11. The method as defined in claim 10 further including at least one of the steps of establishing a defect state in the quasicrystalline arrangement, replacing at least one of the plurality of particles with a particle of different size or shape or property, establishing a different quasicrystalline domain within the quasicrystalline arrangement, mixing in a crystalline domain with the quasicrystalline arrangement and arranging the plurality of particles by self assembly.

12. The method as defined in claim 10 further including the step of forming the particular quasicrystalline arrangement of the plurality of particles with a preselected symmetry unachievable by crystalline materials.

13. The method as defined in claim 10 wherein the step of providing the plurality of particles comprises using at least one of microparticles, nanoparticles, large molecules, and biological cells.

14. The method as defined in claim 10 further including the step of forming the quasicrystalline arrangement and establishing a selected one of a photonic band gap, a chemical functionality, an electrical conductivity attribute, a biological attribute and a magnetic attribute.

15. The method as defined in claim 10 wherein the chemical functionality comprises catalytic activity, the electrical conductivity attribute is selected from the group of metallic, semiconducting and superconducting;

the magnetic attribute comprises a high magnetic flux exhibited by the plurality of particles, a first one of the chemical functionality comprises a preselected changed chemical property and a second one of the chemical functionality comprises a change in a property over a corresponding crystalline structure composed of same chemical composition.

16. The method as defined in claim 10 further including the step of dynamically altering the particular arrangement for achieving different ones of the selectable properties for a selected application.

17. The method as defined in claim 10 wherein the selected application comprises at least one of changing a quasicrystalline property selected from the group consisting of mechanical properties, electrical properties, chemical properties, magnetic properties and biological functionality.

18. The method as defined in claim 10 further including the step of applying at least one of an electromagnetic field, an electrical field and a magnetic field to further modify properties of the quasicrystalline arrangement.