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|Title:||An ESR Study of Zn2 P2 O7 : Mn and Zn2 P2 O7 : Cu Between 20 and 200°c|
McLay, A. B.
Petch, H. E.
|Keywords:||ESR study;crystal;ground state;ionsis|
|Abstract:||<P> Single crystals of Zn2P207 containing 0.1% by weight of manganese impurity or 0.04% by weight of copper impurity were studied by means of electron spin resonance techniques from room temperature up to about 200°c. </p> <P> The existence of a phase transition at about 132°C in Zn2P2O7 was confirmed and a new phase, existing between 132°C and 155°C was found. The space group of the unit cell in this phase was deduced from the esr measurements. The spin Hamiltonian parameters were measured in the three phases and a discussion of their significance in terms of current theories of the zero field splitting of the ground state of S-state ionsis given. </p>|
|Appears in Collections:||Open Access Dissertations and Theses|
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|Chambers_John_G_1963_Phd.pdf||3.52 MB||Adobe PDF||View/Open|
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