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	题名	作者	年代	出处	被引量
1	Relaxor behaviour and phase transition of perovskite ferroelectrics-type complex oxides(1–x)Na_(0.5)Bi_(0.5)TiO_3–xCaTiO_3 system显示文摘Polycrystalline powders of (1–x)Na_(0.5)Bi_(0.5)TiO_3–xCaTiO_3 ((1–x)NBT–xCT, 0 ≤ x ≤ 0.55) have been synthesized by solid state route. The effects of simultaneous substitution of Na^+/Bi^(3+) at A-site in NBT on structural and dielectric properties were investigated. X-ray diffraction analysis revealed the phase transition from rhombohedral structure(x = 0) to orthorhombic structure(x ≥0.15). A distinct behaviour in dielectric properties was obtained, where for x = 0, a normal ferroelectric behaviour was observed, whereas for x ≥ 0.15, a broad dielectric anomaly was revealed such that the maximum temperature(T_m) strongly depended on the frequency and shifted towards low temperature with CT. The dielectric dispersion indicated a relaxor behaviour revealed by the degree of diffuseness and modelled via Vogel–Fulcher relation. The study highlighted the relaxor behaviour as a function of frequency and proved the transformation from a relaxor high-frequency dependence to a paraelectric phase at temperature T_s. The distinct variation of the Raman spectra at room temperature was correlated with X-ray diffraction results and proved the already mentioned transition. On heating(-193–500 ℃), the Raman spectra confirmed the structural stability(Pnma) of the materials. The phonon behaviour for x = 0.15 was discussed in terms of the appearance of polar nanoregions(PNRs) into a non-polar orthorhombic matrix responsible of the relaxor behaviour. For x = 0.20, unchanged phonon behaviour confirmed the variation in dielectric behaviour where the solids transformed from a relaxor to a paraelectric state without structural phase transition.	Roy ROUKOS Nissrine ZAITER Denis CHAUMONT	2018	Journal of Advanced Ceramics2018，7，2：	4
2	Current status and future perspectives in gastric cancer management显示文摘	D.H. Roukos	2000	Cancer Treatment Reviews2000，，4：	2
3	Factors increasing local recurrence in breast-conserving surgery显示文摘	Fatouros M Roukos D H Arampatzis I	2005	Expert Rev An- ticancer Ther2005，5，4：	1
4	Evidence of survival benefit of extended (D2) lymphadenectomy in western patients with gastric cancer based on a new concept:a prospective long-term follow-up study显示文摘	Roukos DH Lorenz M Encke A		0，，：	1
5	Impact of spleen pres- ervation in patients with gastric cancer 显示文摘	Fatouros M Roukos DH Lorenz M	2005	Anticancer Res2005，25，4：	1
6	The era of robotic surgery for colorectal cancer显示文摘	Roukos DH	2010	Ann Surg Oncol2010，17，1：	1
7	Distal Gastric Cancer and Extensive Surgery: A New Evaluation Method Based on the Study of the Status of Residual Lymph Nodes After Limited Surgery显示文摘	Dimitrios H. Roukos MD Paraskevi Paraschou MD Matthias Lorenz MD	2000	Annals of Surgical Oncology2000，，10：	1
8	Perspectives in the treatment of gastric cancer (review)显示文摘	Roukos D H Kappas A M	2005	Nat Clin Pract Oncol2005，2，：	1
9	Gastroesophageal junction carcinoma multimodal treatment : standards, debate and new therapeutic options显示文摘	Liakakos T Katsios C Roukos DH	2011	Expert Rev Gastroenterol Hepatol2011，5，1：	1
10	Individualized preventive and therapeutic management of hereditary breast ovarian canc- er syndrome显示文摘	Roukos DH Briasoulis E	2007	Nat Clin Pract Oncol2007，4，10：	1
11	Targeting gastric cancer with trastuzumab:new clinical practice and innovative developments to overcome resistance显示文摘	Roukos DH	2010	Ann Surg Oncol2010，17，1：	1
12	Primary gastric lymphomas: a clinicopathologic study with literature review 显示文摘	Roukos DH Hottenrott C Encke A	1994	Surg Oncol1994，3，2：	1
13	Evidence of survival benefit of extended(D2) lymphadenectomy in Western patients with gastric cancer based on a new concept:a prospective long-term follow-up study显示文摘	Roukos D H Lorenz M Encke A	1998	Surgery1998，123，5：	1
14	Innovative genomic-based model for personalized treatment of gastric cancer :integrating current standards and new technologies显示文摘	ROUKOS DH	2008	Expert Rev Mol Diagn2008，8，1：	1
15	A stochastic segment model for phoneme-based continuous speech recognition 显示文摘	OSTENDORF M ROUKOS S	1989	IEEE Trans on Acust Speech and Signal Process1989，37，12：	1
16	Confirming hypothesis-driven surgical concept and comparing potential survival benefit expected by D2 surgery and adjuvant treatment显示文摘	Fatouros M Roukos DH Agnantis NJ	2003	Gastric Breast Cancer2003，2，2：	1
17	Confirming hypothesis-driven surgical concept and comparing potential survival benefit expected by D2 surgery and adjuvant treatment显示文摘	Fatouros M Roukos D H Agnantis N J	2003	Gastric Breast Cancer2003，2，2：	1
18	Current status and future perspectives in gastric cancer management显示文摘	Roukos D H		0，，04：	1
19	Impact of spleen preservation in patients with gastric cancer 显示文摘	Fatouros M Roukos DH Lorenz M	2005	Anticancer Res2005，25，4：	1
20	Laparoseopic surgery for gas- tric cancer: comparative-effectiveness research and future trends 显示文摘	Katsios CG Baltogiannis G Roukos DH	2010	Expert Rev Anticaneer Ther2010，10，4：	1

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