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Magnetic Properties of Semiconductor-Antiferromagnet Superlattices

100%

Wilamowski Z. , Buczko R. , Jantsch W. , Ludwig M. , Springholz G.

Acta Physica Polonica A

1996

tom 90

nr 5

973-976

Magnetic resonance investigations of ultra-thin antiferromagnetic EuTe layers show a specific behaviour in the quasi-2D antiferromagnetic ordering: (i) an anisotropy of the critical broadening, (ii) a substantial increase in the Néel temperature and (iii) an anisotropic shift of the resonance frequency which diverges at the Néel point. The results show that exchange coupling is stronger in quasi-2D than in 3D antiferromagnetic samples and that correlation of spin chains aligned in the perpendicular direction occurs already well above the Néel point.

Dent’s disease type 1 in a boy with severe hyperopia and mental dysfunction: a case report

86%

Sobieszczańska-Droździel A. , Sikora P. , Majewski M. , Ludwig M. , Matera A. , Zajączkowska M.

Progress in Health Sciences

2014

tom 4

nr 1

273-276

Dent’s disease is a rare X-linked recessive proximal tubulopathy. It is typically characterized by low-molecular-weight (LMW) proteinuria, hypercalciuria, nephrocalcinosis, nephrolithiasis, hypophosphatemia, rickets and slowly progressive renal failure. The laboratory and clinical features may occur in various combinations. The early diagnosis of Dent’s disease is often problematic because affected children may have mild clinical and biochemical signs, detecting LMW proteinuria is not available in many laboratories, and genetic results are not clear in all cases. We report on a 12- year-old boy with Dent’s disease type 1, severe hyperopia, and psychological dysfunction. To the best of our knowledge, he is the first patient with mutation in CLCN5 gene and extrarenal symptoms described so far.