Crystal structure of bismuth-containing NdFe(BO) in the temperature range 20-500 K.

Neodymium iron borate NdFe(BO) is an intensively studied multiferroic with high electric polarization values controlled by a magnetic field. It is characterized by a large quadratic magnetoelectric effect, rigidity in the base plane and a rather strong piezoelectric effect. In this work, the atomic structure of (NdBi)Fe(BO) was studied by single-crystal X-ray diffraction in the temperature range 20-500 K (space group R32, Z = 3).

A new TlFeHf(MoO) ternary molybdate: crystal structure and properties.

Single crystals of TlFeHf(MoO) [a = b = 10.5550 (3), c = 37.7824 (9) Å, γ = 120°] are obtained by the self-flux method in the TlMoO-Fe(MoO)-Hf(MoO) system.

Diagnosis of primary antibody and complement deficiencies in young adults after a first invasive bacterial infection.

Objectives: Screening for primary immunodeficiencies (PIDs) in adults is recommended after two severe bacterial infections. We aimed to evaluate if screening should be performed after the first invasive infection in young adults.

Methods: Eligible patients were retrospectively identified using hospital discharge and bacteriology databases in three centres during a 3-year period.