Applications
Applications
We are more than a manufacturer of ultra-high vacuum (UHV) systems and components for Molecular Beam Epitaxy (MBE), Physical Vapor Deposition (PVD & Sputtering) and Pulsed Laser Deposition (PLD).
Since the company was founded in Turku (Finland) in 1989, we equip research institutes and industry customers with the tools they need to shape tomorrow.
We have installed more than 300 UHV systems and solutions worldwide, supporting cutting-edge applications including quantum computing, complex oxides, semiconductor nanostructures, and laser technologies.
Quantum applications requiring MBE can be categorized into five distinct areas, each with specific materials challenges that MBE uniquely solves.
Applications – Find out more here
- Photonic Quantum Computing & Quantum Communication
- Superconducting Qubits (Circuit QED)
- Topological Quantum Computing
- Spin Qubits (Semiconductor Quantum Dots)
- Quantum Metrology & Sensing
GaN is dominant due to its high power density, efficiency, and high-frequency performance. GaAs is also key for RF.
- 5G infrastructure (base stations, RF transceivers)
- defense (radar, battlefield communications)
- power transistors/amplifiers
- datacommunications
Integrated Photonics are nanostructured semiconductors which enable on-chip light sources, modulators, and detectors for optical communication. Quantum Light Sources are single-photon emitters and entangled photon sources for secure communication and quantum networks.
- Quantum Devices & Low-Dimensional Structures such as Quantum Wells, Wires, and Dots
- Optoelectronic Devices, Advanced Transistors & Nanoelectronics
- Photonic & Quantum Technologies
- Emerging Applications
Applications – Find out more here
- Night vision, tracking
- Safety
- Automotive LiDAR
- Gas sensing
- Medical imaging
Molecular Beam Epitaxy (MBE) is the precision growth engine for the most demanding, performance-critical epitaxial layers in compound semiconductors. It dominates research and production where atomic-layer control of crystalline quality, interface sharpness, and complex doping profiles are non-negotiable (e.g., HEMTs, QCLs, MicroLEDs, MCT detectors, quantum materials).
Core Principle: Thermal evaporation of elemental sources in an ultra-high vacuum (~10⁻¹¹ mbar) to create directed “beams” that react on a heated substrate.
Key Strength: Ultimate control at the atomic scale. Enables layer-by-layer epitaxial growth, sharp interfaces, and doping with precision. It is the gold standard for research requiring perfect crystallinity and complex heterostructures.
Primary Application: Fundamental research on quantum materials, semiconductors, and low-dimensional systems.
UHV Sputtering is the high-purity, integrated deposition tool ideal for research environments and applications requiring contamination-free, stoichiometric films of complex materials (oxides, nitrides) especially where precise stoichiometry is crucial for electronic and magnetic properties.
How it works:
Core Principle: A sputtering process (ion bombardment of a target to eject material) conducted in a UHV chamber (<10⁻⁹ mbar) with the fundamental advantage of highest possible purity.
Key Strength: Combines high-quality film growth with exceptional process flexibility. The extreme purity and cleanliness, allows superior material and film quality, and with UHV Cluster Integration for Complex Heterostructures.
Primary Application: Growth of high-purity, stoichiometric films for advanced research, especially on oxides and metals. UHV sputtering achieves contamination levels low enough that superconducting films (Nb, Ta) exhibit bulk-like properties, enabling their use in advanced quantum computing applications where coherence times are critically dependent on material perfection.
Applications

Oxide Epitaxy
Oxide thin film materials will play an important role in the coming years. A large research effort has been dedicated in growing and combining oxide films and structures. The interest in oxide deposition technologies is fed by the limits that standard Silicon technologies are approaching (high-K material research) and by the wide range of useful properties that oxides exhibit (conductivity, dielectricity, transparency, optical non linearity, ferroelectricity, high Tc-superconductivity, colossal magneto-resistivity, quantum para-electricity and giant piezoelectricity).
Multi-element, complex oxides represent a vast class of materials with rich physical properties. New functionalities can be obtained on the interfaces between different oxide layers with potential applications in electronics, spintronics, optics, sensors, and energy. Complex oxides span a wide range of crystalline structures and play host to a large variety of physical phenomena. High dielectric permittivities, piezo-, pyro-, and ferroelectricity are just a few of the functionalities offered by these materials.
The potential for applications of the more exotic properties like high temperature superconductivity and colossal magnetoresistance is still waiting to be fully exploited. The structural quality of oxide heterostructures now rivals that of the best conventional semiconductors.
DCA oxide MBE systems have been the choice for many leading laboratories involved in oxide thin film research.
Semiconductor Nanostructures and Novel Devices
The novel semiconductor nanostructures such as nanowires and quantum dots are an exciting and expanding field of research. Semiconductor materials often change their electrical and optical properties dramatically when the material dimensions are reduced to the nanometer scale.
The semiconductor nanostructures provide unprecedented levels of functionality in building devices for electronics and optoelectronics applications. The nanoscale devices are being used to study new physics in low dimensional systems. New technologies based on nanostructures are being developed in key areas, such as, communications and information processing, sensing and renewable energy as well as biomedecine.
DCA MBE systems are at the forefront of semiconductor nanostructure research in many leading laboratories in the world.
Semiconductor Laser Research and Production
After 50 years of development semiconductor laser diodes dominate the laser market. Semiconductor lasers, or laser diodes as they often are called, are by far the most ubiquitous of all lasers. The diode lasers are used in optical fiber communications, optical storage, printers, medical treatment therapies, scanners and sensors etc. High-power laser diodes are used in industrial applications such as heat treating, laser brazing, cladding, welding and for pumping other lasers.
Continuing extensive research allows diode lasers to break into new wavelengths and new applications. Diode lasers are expanding into shorter wavelengths as well as also making inroads into the longer-wavelength mid- to far-infrared regime. MBE is the most versatile technology for diode laser research and development.
DCA P600 system is extensively used for laser research and development. The production version of this system is used for the manufacture of analog and digital lasers for fiber‑optic networking products. The P1000 4×4″ production MBE system is used for the growth of InGaAs/GaAs/GaAlAs quantum well lasers.

Combinatorial Thin Film Deposition
In combinatorial thin film deposition thousands of different compositions can be synthesized in one deposition run to be screened for desired physical properties. Combinatorial thin film deposition libraries have been prepared using discrete, sequentially masked depositions and co-deposited composition spreads.
DCA has designed and built several combinatorial deposition systems using molecular beam epitaxy (MBE), UHV evaporation and UHV sputtering techniques.