Topotactical reactions with ferrimagnetic oxides having hexagonal crystal structures—I
FK Lotgering - Journal of Inorganic and Nuclear Chemistry, 1959 - Elsevier
A new method is described for the preparation of polycrystalline materials with oriented
crystals by reaction of the oriented grains of a strongly anisotropic ferrimagnetic with non-…
crystals by reaction of the oriented grains of a strongly anisotropic ferrimagnetic with non-…
Maternal and fetal responses to exercise during pregnancy
FK Lotgering, RD Gilbert… - Physiological Reviews, 1985 - journals.physiology.org
… Lotgering and co-workers … Failure to make temperature corrections largely explains the
difference in blood gas values between the above studies and those of Lotgering et al. (147). In …
difference in blood gas values between the above studies and those of Lotgering et al. (147). In …
Magnetic anisotropy and saturation of LaFe12O19 and some related compounds
FK Lotgering - Journal of Physics and Chemistry of Solids, 1974 - Elsevier
The saturation magnetization σ s and uniaxial anisotropy constants K 1 and K 2 are measured
on a polycrystalline, crystal-oriented sample of LaFe 12 O 19 contaminated with known …
on a polycrystalline, crystal-oriented sample of LaFe 12 O 19 contaminated with known …
Semiconduction and cation valencies in manganese ferrites
FK Lotgering - Journal of Physics and Chemistry of solids, 1964 - Elsevier
The semiconducting properties of the mixed crystals Fe 3 O 4 MnFe 2 O 4 Mn 2 FeO 4 are
investigated by measurements of the electrical conductivities and the Seebeck voltages on …
investigated by measurements of the electrical conductivities and the Seebeck voltages on …
Clinical aspects of cervical insufficiency
FK Lotgering - BMC Pregnancy and Childbirth, 2007 - Springer
Fetal loss is a painful experience. A history of second or early third trimester fetal loss, after
painless dilatation of the cervix, prolapse or rupture of the membranes, and expulsion of a …
painless dilatation of the cervix, prolapse or rupture of the membranes, and expulsion of a …
Solid solutions between ferromagnetic and antiferromagnetic compounds with NiAs structure
FK Lotgering, EW Gorter - Journal of Physics and Chemistry of Solids, 1957 - Elsevier
Several solid solution series with NiAs structure (Fig. 1) have been prepared between a
ferromagnetic (x = 0) and an antiferromagnetic (x = 1), viz. (a) CrTe 1− xSe x (b)Mn 1−x Crx Sb …
ferromagnetic (x = 0) and an antiferromagnetic (x = 1), viz. (a) CrTe 1− xSe x (b)Mn 1−x Crx Sb …
Pelvic pain during pregnancy is associated with asymmetric laxity of the sacroiliac joints
…, HM Buyruk, F Güler-Uysal, FK Lotgering… - Acta obstetricia et …, 2001 - Taylor & Francis
Objective. The aim of this study was to investigate the association between pregnancy-related
pelvic pain (PRPP) and sacroiliac joint (SIJ) laxity. Methods. A cross-sectional analysis …
pelvic pain (PRPP) and sacroiliac joint (SIJ) laxity. Methods. A cross-sectional analysis …
Magnetic and electrical properties of copper containing sulphides and selenides with spinel structure
FK Lotgering, RP Van Stapele - Solid State Communications, 1967 - Elsevier
The occurrence of the d 10 configuration of Cu at tetrahedral sites in the spinel lattice is
confirmed from the electrical conduction in Me 1-x Cu x Cr 2 Se 4 (MeZn, Cd, Hg) for small …
confirmed from the electrical conduction in Me 1-x Cu x Cr 2 Se 4 (MeZn, Cd, Hg) for small …
Magnetic properties, conductivity and ionic ordering in Fe1− xCuxCr2S4
FK Lotgering, RP Van Stapele, G Van Der Steen… - Journal of Physics and …, 1969 - Elsevier
The magnetic and electrical behaviour of Fe 1−x Cu x Cr 2 S 4 recently measured by Haacke
and Beegle is interpreted on the basis of a model for sulphospinels given by Lotgering and …
and Beegle is interpreted on the basis of a model for sulphospinels given by Lotgering and …
Permanent‐magnet material obtained by sintering the hexagonal ferrite W=BaFe18O27
FK Lotgering, P Vromans, MAH Huyberts - Journal of Applied Physics, 1980 - pubs.aip.org
The hexagonal ferrite W=BaFe 2+ 2 Fe 3+ 16 O 27 has a saturation magnetization about 10%
higher than the widely used permanent‐magnet material M=BaFe 3+ 12 O 19 and the …
higher than the widely used permanent‐magnet material M=BaFe 3+ 12 O 19 and the …