Matter
engineered
at atomic scale.
Custom II–VI semiconductor crystals and quantum materials for radiation detection, infrared photonics, and next-generation quantum technologies. Bespoke solutions, scientifically validated.
Advanced Semiconductor
Crystal Growth Platform
We develop advanced semiconductor crystals and quantum materials for next-generation radiation detection, infrared photonics, and quantum technologies. Our proprietary technology platform integrates material synthesis, ultra-high purification, single-crystal growth, and precision processing — delivering bespoke solutions tailored to each customer's specific application requirements.
- Proprietary synthesis & ultra-high purification of semiconductor materials
- Advanced methods for growing large-diameter single crystals with record-low dislocation density
- CdTe crystal grown to 70 mm diameter — a significant technical milestone
- Quantum dot development for quantum computing & communication networks
- AI-driven reactor automation enabling precision growth control for complex compositions
See how we engage with partners"Our growth systems can be seamlessly adapted to specific crystal types using reactors equipped with automated control and AI-driven self-learning software."
From raw material
to precision crystal
Our integrated end-to-end manufacturing process ensures absolute traceability and stoichiometric control from the initial elemental synthesis through to the final polished wafer.
II–VI Semiconductor
Compound Library
Our technology platform enables the controlled production of six advanced II–VI compound semiconductor and optical crystal families, each optimized for specific application wavelength ranges and performance thresholds.
Where our crystals go to work
Bespoke solutions,
not commodity supply
We do not operate as a mass-production crystal supplier. Each engagement begins with understanding your application's precise requirements — composition, geometry, purity grade, and characterisation needs — and is executed as a dedicated project.
Every engagement starts with a conversation. Tell us your application, required crystal geometry, and performance targets — we will advise on material options, typical timescales, and what a qualification batch would involve.
Request EvaluationProprietary LTG method
vs. legacy Czochralski
The industry standard —
and its limitations
Open crucible pulling with high temperature gradients (10–100 °C/cm) creates fundamental defects that limit crystal quality and scalability.
- Round crystal shape with central macroinclusions
- High dislocation density from thermoelastic stress
- Only ~40% material yield — vaporization shifts stoichiometry
- High energy and coolant consumption
- Diameter scaling causes cracking — economically unviable at scale
Precision-engineered growth
at near-zero gradient
Pulling in a specially designed crucible with multi-zone furnace. Temperature gradients <1 °C/cm. Layer-by-layer crystallographic growth mechanism.
- Polyhedral shape — no macroinclusions, atomically smooth faces
- <100 dislocations/cm² — an order of magnitude better
- 98% material yield — stoichiometry fully preserved
- 10× lower energy consumption, closed cooling system
- AI self-learning reactor control — adaptable to new compositions up to 1300°C
Independently verified
performance results
Our crystal quality is not self-assessed. Independent research institutes characterise our materials and publish results. Below is a selection of published and ongoing evaluation work.
Large-size mixed zinc tungstate crystals (65 × 50 × 90 mm, 2.3 kg) grown by Crystals Growing SIA were independently characterised by the UT Knoxville Scintillation Materials Research Center. The study evaluated radioluminescence spectra, optical transmittance, light yield, and energy resolution on detector elements shaped for computed-tomography applications.
at 662 keV
Absolute light yield
mass achieved
large-format growth
G. Centners, L. Dimitrocenko, K. Pestovich, L. Stand, C.L. Melcher & M. Zhuravleva · University of Tennessee, Knoxville · Scintillation Materials Research Center
The people behind the crystals
Associate Professor in Solid State Physics at the Institute of Physics, Faculty of Science and Technology, University of Tartu, Estonia. Specialized in physics of scintillating crystals, with research focus on electronic structure and ultrafast energy relaxation processes in scintillators — including ternary tungstates, molybdates, phosphates, and hexafluorides.
Supported by European Innovation
We are backed by EU structural funding and are actively seeking strategic investors and industrial partners for the next phase of growth. Request our investor deck to learn more.
Crystals Growing SIA implements the European Regional Development Fund (ERDF) project:
"Technology Transfer of Semiconductor Crystals Growing for
Lasers and Medical Scanners"
Project No. 1.2.1.2/16/I/001, in agreement with the Investment and Development Agency of Latvia.
Let's work together
Reach out for crystal specifications, evaluation inquiries, joint development proposals, or investor discussions.
+371 67597430
We respond within 24 hours on business days.