Ho2 Ge2 O5

semiconductor

· Ho2 Ge2 O5

Ho2Ge2O5 is a rare-earth germanate ceramic compound combining holmium oxide with germanium oxide, belonging to the family of functional oxides studied for optoelectronic and photonic applications. This is primarily a research material rather than a commercial commodity, investigated for potential use in solid-state laser hosts, scintillators, and photoluminescent devices where rare-earth dopants can be activated by ultraviolet or X-ray excitation. Its appeal lies in the combination of rare-earth luminescence properties with the transparency and refractive characteristics of germanate glass/ceramic matrices, offering designers an alternative host material when yttrium or other common rare-earth oxides do not meet specific wavelength or thermal requirements.

solid-state laser hostsscintillation detectorsphotoluminescent phosphorsoptical ceramicsresearch optoelectronicsradiation detection materials

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.00280	eV	—

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.110	eV/atom	—

Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

Ho2 Ge2 O5

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control