Ytterbium[2]

Updated: 2026-09-18

Overview

Ytterbium is a rare earth metal belonging to the lanthanide series. It was discovered in 1878 by Swiss chemist Jean Charles Galissard de Marignac. The element is named after the village of Ytterby in Sweden, where many rare earth minerals were first found. Ytterbium is not found free in nature but occurs in minerals such as xenotime, monazite, and euxenite. Ytterbium has two allotropes: a face-centered cubic form at room temperature and a body-centered cubic form at higher temperatures. It is relatively stable in dry air but oxidizes in moist air or when exposed to water. The metal is used in various high-tech applications due to its unique physical and chemical properties.

Physical and Chemical Properties

Ytterbium is a soft, ductile, and malleable metal with a bright silvery luster. It has a density of 6.90 g/cm³ and melts at 824 °C. The metal exhibits good electrical conductivity and is paramagnetic at room temperature. Ytterbium reacts with water to form ytterbium hydroxide and hydrogen gas, and it dissolves readily in mineral acids. One of the notable properties of ytterbium is its ability to form stable divalent and trivalent compounds. The trivalent state is more common, but the divalent state is stabilized in certain compounds. Ytterbium's electron configuration allows it to be used as a dopant in materials to modify their optical and magnetic properties.

Main Applications

Ytterbium is widely used in solid-state lasers, particularly in ytterbium-doped yttrium aluminum garnet (Yb:YAG) lasers, which are efficient and used in industrial cutting and welding. The metal is also employed in metallurgy to improve the mechanical properties of stainless steel and other alloys. In the field of optics, ytterbium is used as a dopant in optical fibers to amplify signals in telecommunications. Additionally, ytterbium isotopes are used in nuclear medicine and research. The metal's ability to absorb and emit specific wavelengths of light makes it valuable in various scientific and industrial applications.

Safety and Storage

Ytterbium is highly reactive, especially with water and acids, and must be handled with care. It should be stored under an inert gas such as argon or in mineral oil to prevent oxidation. Protective gloves and eye gear are recommended when handling the metal. In case of contact with skin or eyes, rinse immediately with plenty of water and seek medical attention. Ytterbium dust or powder can be a fire hazard and should be kept away from open flames or sparks. Proper ventilation is essential when working with ytterbium to avoid inhalation of fumes or dust.

B2B Procurement Guide

When procuring ytterbium, it is crucial to specify the required form (e.g., ingots, powder, or wire) and purity level, as these factors significantly influence the price and suitability for specific applications. Reputable suppliers should provide certificates of analysis (CoA) to verify purity and composition. Bulk purchases may offer cost savings, but ensure that storage conditions can maintain the metal's integrity. Consider suppliers who offer tailored packaging and handling instructions to minimize risks during transportation and storage. Lead times can vary, so plan procurement well in advance, especially for high-purity or custom forms.