@article{article_267113, title={Pippard relations for cubic gauche nitrogen}, journal={Anadolu University Journal of Science and Technology A - Applied Sciences and Engineering}, volume={17}, pages={741–746}, year={2016}, DOI={10.18038/aubtda.267113}, author={Yurtseven, Hamit and Tiryaki, Özgecan and Tari, Ozlem}, keywords={Pippard relations,Cubic gauche nitrogen}, abstract={<span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">The Pippard relations (C <sub>P </sub> vs. </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">a </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">P </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us"> and </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">a </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">P </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us"> vs. </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">k </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">T </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">) are examined
at various temperatures up to 1200 K at zero pressure (P = 0) for the cubic
gauche nitrogen. The specific heat (C <sub>P </sub>) is related to the thermal
expansion ( </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">a </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">P </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">) and
the </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">a </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">P </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us"> is
also related to the isothermal compressibility ( </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">k </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">T </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">) as
the Pippard relations for this solid structure. For those relations,
experimental data are used from the literature. It is found that the variation
of the C <sub>P </sub> with the </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">a </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">P </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us"> and </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">a </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">P </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us"> with the </span> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:Symbol;" xml:lang="en-us">k </span> <sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us">T </span> </sub> <span lang="en-us" style="font-size:11pt;line-height:115%;font-family:’Times New Roman’, serif;" xml:lang="en-us"> is
linear. Using the linear relations dP/dT is predicted, which can be compared
with the experimental measurements in the P – T phase diagram of cubic gauche
nitrogen. </span>}, number={4}, publisher={Eskisehir Technical University}