The distribution of Ca^(2+)at boundary layer ofα-LiIO3 crystal grown both in space and on earth was studied by the synchrotron x-ray fluorescence microanalysis.It was found that:(1)the Ca^(2+)concentration in the spa...The distribution of Ca^(2+)at boundary layer ofα-LiIO3 crystal grown both in space and on earth was studied by the synchrotron x-ray fluorescence microanalysis.It was found that:(1)the Ca^(2+)concentration in the space-crystal is higher than that in the earth-crystal,(2)a sharp discontinuity of Ca^(2+)concentration is found at boundary layers of space-crystals alone.This finding provides an evidence of microgravity effect on interface structural features in space crystal growth.展开更多
The increase of phase transition temperatures both fromα-to.γ-phase and fromγ-toβ-phase of LiIO_(3)in the diepered system LiIO_(3).(γ-Al_(2)0_(3)).has been observed.Theζ-pnase can be,stabilized to cambient condi...The increase of phase transition temperatures both fromα-to.γ-phase and fromγ-toβ-phase of LiIO_(3)in the diepered system LiIO_(3).(γ-Al_(2)0_(3)).has been observed.Theζ-pnase can be,stabilized to cambient condition by the presence ofγ-Al_(2)O_(3).The etability ofγ-LiIO_(3)andζ-LiIO_(3)is improved by the addition ofγ-Al_(2)O_(3)。展开更多
A preliminary calculation for the low-lying branches of phonon dispersion relations of α-LiIO3 in directions [001], [100] and [110] using a simplified model are reported. In addition, we point out that coupling betwe...A preliminary calculation for the low-lying branches of phonon dispersion relations of α-LiIO3 in directions [001], [100] and [110] using a simplified model are reported. In addition, we point out that coupling between different vibration modes may be important in lattice dynamics of such crystals.展开更多
In order to draw the attention of international audience,this author writes up with new clarifications and in an integrated language the one-dimensional physics ofα-LiIO3.The Id accumulations of space charges along t...In order to draw the attention of international audience,this author writes up with new clarifications and in an integrated language the one-dimensional physics ofα-LiIO3.The Id accumulations of space charges along their passageways of the quasi Id ionic flow in the c-direction give rise to the novel phenomena observed in the single crystal specimens under the action of a dc voltage.展开更多
文摘The distribution of Ca^(2+)at boundary layer ofα-LiIO3 crystal grown both in space and on earth was studied by the synchrotron x-ray fluorescence microanalysis.It was found that:(1)the Ca^(2+)concentration in the space-crystal is higher than that in the earth-crystal,(2)a sharp discontinuity of Ca^(2+)concentration is found at boundary layers of space-crystals alone.This finding provides an evidence of microgravity effect on interface structural features in space crystal growth.
文摘The increase of phase transition temperatures both fromα-to.γ-phase and fromγ-toβ-phase of LiIO_(3)in the diepered system LiIO_(3).(γ-Al_(2)0_(3)).has been observed.Theζ-pnase can be,stabilized to cambient condition by the presence ofγ-Al_(2)O_(3).The etability ofγ-LiIO_(3)andζ-LiIO_(3)is improved by the addition ofγ-Al_(2)O_(3)。
文摘A preliminary calculation for the low-lying branches of phonon dispersion relations of α-LiIO3 in directions [001], [100] and [110] using a simplified model are reported. In addition, we point out that coupling between different vibration modes may be important in lattice dynamics of such crystals.
文摘In order to draw the attention of international audience,this author writes up with new clarifications and in an integrated language the one-dimensional physics ofα-LiIO3.The Id accumulations of space charges along their passageways of the quasi Id ionic flow in the c-direction give rise to the novel phenomena observed in the single crystal specimens under the action of a dc voltage.
