Nuclear Magnetic Resonance Studies in a Number of Rare-Earth Phosphates

スポンサーリンク

概要

• 論文の詳細を見る

• The rare-earth orthophosphates display rather interesting magnetic behaviour. Though Wang and Feigelson from susceptibility studied of anhydrous GdPO_4,TbPO_4 and DyPO_4 reported that these substances order antiferromagnetically at rather high temperatures (T_N>200 K), neutron diffraction results on TbPO_4 and DyPO_4 conclusively demonstrated that these two compounds order at helium temperatures only. However, to understand the anomaly in the susceptibility curve in the high temperature region, nuclear magnetic resonance studies of P^<31> nuclei of GdPO_4, TbPO_4 and DyPO_4 have been carried out in this temperature range. The shifts of the P^<31> resonance lines are very small (∼0.5%). Interestingly, plots of line-width vs temperature, and shift vs temperature of all the three phosphates simulate the susceptibility curves of Wang and Feigelson. This possibly arises from a phase transition. The lines in the case of Terbium and Dysprosium phosphates asymmetric (exhibit so called structure) and are indicative of anisotropic magnetic interaction.

• 社団法人日本物理学会の論文
• 1973-04-05

著者

• Bhattacharyya Manoranjan.

  Saha Institute Of Nuclear Physics

• Bose Monisha.

  Saha Institute Of Nuclear Physics

• Bose Monisha

  Saha Institute Of Nuclear Physics

関連論文

• ^P NMR Studies of Solid Phosphates
• Nuclear Magnetic Resonance Studies in a Number of Rare-Earth Phosphates

スポンサーリンク