Crystal chemistry and low-temperature behavior of datolite: A single-crystal X-ray diffraction study

2010 ◽  
Vol 95 (10) ◽  
pp. 1413-1421 ◽  
Author(s):  
R. Rinaldi ◽  
G. D. Gatta ◽  
R. J. Angel
2013 ◽  
Vol 41 (6) ◽  
pp. 409-417 ◽  
Author(s):  
Ryosuke Sinmyo ◽  
Elena Bykova ◽  
Catherine McCammon ◽  
Ilya Kupenko ◽  
Vasily Potapkin ◽  
...  

1987 ◽  
Vol 99 ◽  
Author(s):  
R. Moret ◽  
G. Collin

ABSTRACTWe report the first combined high pressure (up to 30 kbar) and low temperature (10 K - 300 K) single crystal X-ray diffraction study of the tetra-gonal-orthorhombic transition in La2−xCuO4-δ(x=0.12). Superstructure reflections of the orthorhombic phase were used to characterize the transition. The transition temperature, TT–O, is found to decrease under pressure and the orthorhombic phase is suppressed above about 15 kbar. These results confirm that both phases are superconducting and suggest to attribute a previously reported kink in dTc/dP to different rates of increase of Tc for the tetragonal and orthorhombic phases.


2019 ◽  
Author(s):  
Minoru Maeda ◽  
Dipak Patel, Dr. ◽  
Hiroaki Kumakura, Dr. ◽  
Gen Nishijima, Dr. ◽  
Akiyoshi Matsumoto, Dr. ◽  
...  

1992 ◽  
Vol 45 (12) ◽  
pp. 2089 ◽  
Author(s):  
EL Ghisalberti ◽  
BW Skelton ◽  
AH White

The structure of the compound obtained on heating the naturally occurring clerodane furanoditerpene (1) had been formulated as (2) on the basis of spectroscopic studies. A single-crystal X-ray diffraction study on the dihydro derivative of (2) has confirmed this and provides support for the stereochemistry previously assigned to (1) on the basis of chemical evidence.


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