ゾウキバヤシ ノ ジョバツモク オ リヨウ シタ カンベン ナ ホウホウ ニヨル ヒラタケ ノ サイバイ ゾウキバヤシ ノ ケイゾクテキ カンリ ニ ムケテ

We cultivated Pleurotus ostreatus on thinned logs of Eurya japonica, Camellia japonica, and Quercus serrata using a simple method. A sliced block of the fungus bed was placed on each log and then covered by forest soil and fallen leaves. Fruiting bodies of P. ostreatus grew on logs of Q. serrata, a tree used for cultivating P. ostreatus, but also grew similarly on E. japonica. This result suggests that common thinnings of E. japonica can be used to cultivate P. ostreatus

X-ray Diffraction Study of Spontaneous Strain in Fe-Pnictide Superconductor, NdFeAsO0.89F0.11

The lattice parameters of a Nd 1111 Fe-pnictide superconductor, NdFeAsO0.89F0.11, were accurately measured using X-ray diffraction between 20 K and 280 K. A very small change in the lattice parameter could be detected in the superconducting phase. This change can be attributed to a spontaneous strain generated in the superconducting phase by the coupling between a superconducting order parameter and the strain. The present results are compared with the thermal expansion coefficients of Ba(Fe1−xCox)2As2, in addition to the previous lattice parameter measurements of YBa2Cu3O6.5, MgB2, La1.85Sr0.15CuO4, and Ba0.6K0.4BiO3