Boron-11 Isotope With Natural Abundance Of 80.22% Cas No.14798-13-1
With negligible neutron absorption, ¹¹B acts as a p-type dopant to precisely tune the electrical conductivity of semiconductor devices and strengthen their radiation resistance and anti-interference performance. BoronHub provides ¹¹B products with flexibly adjustable isotope enrichment to satisfy differentiated doping precision requirements across various semiconductor manufacturing nodes. Sealed packaging filled with high-purity inert gas guarantees chemical stability and consistent batch performance. Our fully self-reliant supply chain enables steady supply from research-scale lots to industrial mass production, serving advanced-node chips, display panels and quantum chip R&D.
Isotope¹¹B Enterprise Specification
| Symbole | B content (%)≥) | Abundance (90%) | Particle size (mm) | Remark |
| BH11BI6N | 99.9999 | 90 | ≤2 | We can customize products with different abundance and particle size according to user requirements |
Package:Packed in polytetrafluoroethylene bottle, filled with inert gas protection, 50g/bottle;
What are the Professional Uses & Application Fields of Boron-11 (¹¹B)?
Boron-11 (¹¹B) is the stable heavy isotope of boron with a natural abundance of 80.22%. Characterized by neutron transparency, no radiation activation, ultra-high purity and excellent homogeneity, it serves as an irreplaceable core raw material for high-end semiconductors and advanced electronic materials.
I. Core Application Field: Semiconductor & Integrated Circuit Manufacturing
1. P-Type Dopant for Silicon-Based Materials (Primary Application)
Acts as a high-purity P-type doping source for ion implantation and high-temperature diffusion processes on silicon wafers, epitaxial wafers and SOI wafers.
Optimizes ion arrangement within silicon lattices to improve conductive uniformity, breakdown voltage and structural stability of semiconductor materials.

2. Fabrication of High-End Chips & Micro-Devices
Applied to advanced-node logic chips, memory chips and micro-sensors with process nodes of 7 nm, 5 nm and below.
Enables stable mass production of high-density integrated circuits, MEMS devices and power devices.
3. Radiation-Hardened Semiconductor Devices
Greatly enhances chips’ resistance to neutron irradiation and cosmic ray interference, lowering the risk of radiation-induced failure.
Widely adopted in aerospace semiconductors, military-grade chips and high-reliability automotive ICs.
4. Semiconductor Diffusion Sources & Epitaxy Precursors
Used to synthesize high-purity gaseous diffusion sources and epitaxial doping precursors such as BCl₃ and BBr₃.
Delivers precise and controllable doping concentrations to meet process standards of premium wafer fabs.

II. Extended High-End Application Fields
1.Power semiconductors / IGBTs / power modules: Improves high-temperature stability and voltage withstand capacity for new energy vehicles, photovoltaic inverters and industrial power supplies.
2.RF & analog chips: Reduces noise and enhances signal stability for communication base stations, satellite terminals and high-precision instruments.
3.Optoelectronic components & detectors: Optimizes dark current suppression and long-term operational reliability for image sensors and laser driver ICs.
4.Advanced packaging & substrate materials: Serves as a doping element for substrate modification of third-generation semiconductors including silicon carbide (SiC) and gallium nitride (GaN).
III. Core Advantages of UrbanMines Boron-11 Products
Crystal form: Cubic β-rhombohedral crystal structure with high compactness and minimal impurities
Purity: Semiconductor-grade ultra-high purity with metallic impurities controlled at ppb level
Isotope abundance: Customizable grades available, including natural abundance (80.22%) and highly enriched boron-11
Compatibility: Uniform doping performance, readily bonds with silicon and metals; free of particle agglomeration and neutron radiation interference
Product positioning: Essential critical raw material for advanced-node chips, high-reliability semiconductors and radiation-resistant electronic devices