基于质子在冰中的轨道运动的可能磁性
Possible magnetism based on orbital motion of protons in ice
摘要：
在Tp=60 K附近的固体H2O中，观察到磁化率随温度变化的峰值异常。当外加磁场小于2kOe时，Tp在45 ~ 66 K温度范围内为正值。磁化率的磁场依赖性在相同的温度范围内表现出一个反向的铁磁滞后环叠加在顶部的反磁性签名的冰在低于600 Oe的领域。我们认为，一小部分的质子，能够经历相关隧道在一个六边形的路径，而不破坏化学计量的晶格创建一个感应磁场相反的感应磁场创建在施加与材料的整体抗磁性相反的外部场时电子。
英文摘要：
A peak anomaly is observed in the magnetic susceptibility as a function of temperature in solid H2O near Tp=60 K. At external magnetic fields below 2 kOe, Tp becomes positive in the temperature range between 45 and 66 K. The magnetic field dependence of the susceptibility in the same temperature range exhibits an inverted ferromagnetic hysteretic loop superimposed on top of the diamagnetic signature of ice at fields below 600 Oe. We suggest that a fraction of protons that are capable of undergoing correlated tunneling in a hexagonal path without disrupting the stoichiometry of the lattice create an induced magnetic field opposite to the induced magnetic field created by the electrons upon application of an external field which counters the overall diamagnetism of the material.
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