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Dive into the research topics where Qinggong Song is active.

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Featured researches published by Qinggong Song.


Journal of Electronic Materials | 2016

Dual Improvement of Red Emission and Ferroelectric Properties in Plumbum-Free Ba4La0.666−xEuxNb10O30 Ceramics

Z. Dong; F.M. Yang; Tong Wei; Qinggong Song; D. M. An; Y.Y. Guo

Luminescent ferroelectric materials (LFM) have attracted considerable attention in recent years for the design and development of new multifunctional devices. In this work, different from conventional perovskite and bismuth layer-structured LFM, new plumbum-free LFM comprised of Ba4La0.666−xEuxNb10O30 (BLEN-x) were synthesized. All BLEN-x possess tetragonal tungsten bronze (TTB) structure with space group P4bm. Strong red emission, corresponding to the transitions of 5D0 to 7FJ (Jxa0=xa01, 2, 3, 4), is observed that can be availably excited by both near ultraviolet (NUV) and blue light radiation. Meanwhile, greatly enhanced ferroelectric properties are also demonstrated. The effective regulation of luminescent and ferroelectric properties in present TTB-type compounds provides a reasonable route to develop LFM in the future.


Computational Materials Science | 2009

Structural, elastic and electronic properties of intermetallics in the Pt-Sn system: A density functional investigation

Wei Zhou; Lijuan Liu; Baoling Li; Ping Wu; Qinggong Song


Journal of Electronic Materials | 2009

Structural, Elastic, and Electronic Properties of Al-Cu Intermetallics from First-Principles Calculations

Wei Zhou; Lijuan Liu; Baoling Li; Qinggong Song; Ping Wu


Solid State Communications | 2012

Structural, magnetic and optical properties of vanadium doped zinc oxide: Systematic first-principles investigations

Junfu Guo; Wei Zhou; Pengfei Xing; Peiqing Yu; Qinggong Song; Ping Wu


Computational Materials Science | 2012

Electronic and optical properties of W-doped SnO2 from first-principles calculations

Wei Zhou; Lijuan Liu; Mengying Yuan; Qinggong Song; Ping Wu


Physica B-condensed Matter | 2014

First-principles study on electronic structure and optical properties of Cu-doped β-Ga2O3

Huiyu Yan; Yanrui Guo; Qinggong Song; Yifei Chen


Solid State Communications | 2014

Ferromagnetism in Cu-doped MgO: Density-functional calculations

Yifei Chen; Jinfeng Yang; Wenbo Mi; Qinggong Song; Huiyu Yan


Solid State Communications | 2015

Electronic structures and magnetic properties in Ti-doped ZnS

Yifei Chen; Wenbo Mi; Jinfeng Yang; Qinggong Song; Huiyu Yan; Tong Wei; Yanrui Guo


Computational Materials Science | 2014

Nitrogen-vacancy induced intrinsic ferromagnetism and half-metallicity in BN

Yifei Chen; Wenbo Mi; Guifeng Chen; Qinggong Song; Songqing Guo


Computational Materials Science | 2014

Electronic structure and magnetic interactions in Zn-doped β-Ga2O3 from first-principles calculations

Yanrui Guo; Huiyu Yan; Qinggong Song; Yifei Chen; Songqing Guo

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Yifei Chen

Civil Aviation University of China

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Huiyu Yan

Civil Aviation University of China

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Yanrui Guo

Civil Aviation University of China

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Songqing Guo

Civil Aviation University of China

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Jinfeng Yang

Civil Aviation University of China

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