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zachariasen w1 h theory of x ray diffraction in crystals

$Báo cáo hóa học: " Research Article Application of the HLSVD Technique to the Filtering of X-Ray Diffraction Dat" pot$

Báo cáo hóa học: " Research Article Application of the HLSVD Technique to the Filtering of X-Ray Diffraction Dat" pot

... in (6) The set of parameters used to compute the synthetic profiles are summarized in Table Figure shows the NSR of the synthetic profiles as a function of the scaling factor F ranging from to This ... profile Both plots refer to the XRD intensity profile shown at the top of Figure noise realizations having the same NSR The sensitivity to the number K of sinu...

Ngày tải lên : 22/06/2014, 20:20

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$Báo cáo khoa học: An X-ray diffraction study of model membrane raft structures doc$

Báo cáo khoa học: An X-ray diffraction study of model membrane raft structures doc

... FEBS 4693 Membrane raft structure P J Quinn and C Wolf Fig Cartoons of the molecular composition of the different structures proposed for the lipid matrix model of membrane raft structure and their ... remodelling of lipid anchors is a recognized process in raft function [40,41] suggests that the conﬁguration of the raft anchors is a likely candidate The lipid matrix...

Ngày tải lên : 15/03/2014, 23:20

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 1$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 1

... PZN -x% PT: single crystal (S) or powder (P) P: 5

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 2$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 2

... surface X- ray 44.65o ~43.0-44.0o 42 43 44 45 46 47 2 [010]W [100] L PZN- 4 .5% PT b) b) Fractured surface Intensity (arb units) X- ray X- ray 44. 62 42 43 44 45 o 46 47 2 Figure 5. 1 (0 02) XRD profiles of ... 44.94 ~43 .5- 44.8 42 43 o o 44 45 2 Figure 5. 4 Intensity (arb units) e) PZN- 9%PT Intensity (arb units) 45 2 2 46 47 42 44 .50 o 44.94o 44 .28 o 43 44 45...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 3$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 3

... consisted of highly distorted R phase owing to the soft elastic constants of R The distorted R phases are microscopic in size, of a wide range of lattice parameters and are stressed in intense ... to the poling treatment 5. 4 (a) Summary of main observations The cause for the occurrence of the extremely broad lower 2θ peak adjacent to the main (002)R peak in standard XR...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 4$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 4

... annealing at 600 °C for h and the position shifted further to 2θ ≈ 44 . 05 (Figure 5. 9) 69 as-polished 300oC (1h) ~44 .68 o R Intensity (arb units) 40 0oC (1h) 600oC (5h) ~44 . 05 ~43 .50 41 42 43 ... annealing treatments The heating and cooling rates used were 1 .5 ºC/min Figure 5. 9 shows the (002) XRD profiles of the differently annealed PZN- 4 .5% PT samples and the (...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 5$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 5

... RSM To explain how domain size may affect the (002) diffraction profiles, we begin with diffractions arising from untilted T microdomains By microscale domains, we mean here coarse domains of which ... micro/nanodomains T5 T6 T ω = 0° Figure 6.2 (002) diffraction intensity weighted distributions arising from (a) T microdomains, (b) interference effect of T nanodomains and (c) comb...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 6$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 6

... projection of the coexistence of R micro- and nanotwins onto (002) RSM 112 coexistence of R micro- and nanotwin domains on (002) RSM 7.3 Evidence of rhombohedral micro/nanotwins in PZN- 4 .5% PT at ... domains, a result of the large diffraction width associated with the fine domain structure and the extreme compliant nature of the R phase The diffraction pattern i...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 7$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 7

... and (b) PZN- 7% PT, and (c) and (d) PZN- 8%PT single crystals 1 27 sample of PZN- 7% PT and PZN- 8%PT, respectively, but of the same wafers as in Figures 8.1(a) and (c) These peaks lie in two different ... Ruling out both MB and MC phases being the viable phase, the peak(s) at 2θ ≈ 44-90- 45. 0° must arise from the (100)T domains We may thus conclude that “LT” pha...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 8$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 8

... (b) 85 ºC P/A= 0º P/A= 45 (c) 1 05 ºC P/A= 0º P/A= 45 (d) 1 45 ºC P/A= 0º P/A= 45 (e) 1 65 ºC P/A= 0º P/A= 45 (f) 1 68 ºC C P/A= 45 T C T P/A= 45 [100] 200 µm [010] Figure 8. 11 ZFH domain structures ... of (001)T twin diffractions in as-grown PZN- 6%PT single crystal may be due to the higher residual stress and/ or the presence of a much higher portion of T nanotwin domai...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 9$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 9

... of the depolarization and R-T phase transformation events in poled PZN- PT single crystals PZN- 4 .5% PT and PZN- 7%PT single crystals, of [100]L×[010]W×[001]T in orientation and 6L×2W×0.35T mm3 in ... tilting of the R diffraction out of the ω = 0° plane indicates that both crystals existed in a strained state as the result of poling induced stresses This find...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 10$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 10

... emergence of R-T phase transformation in PZN- PT single crystals, giving TR-T(L) ≅ TDP ≅1 05- 110 °C for PZN- 4 .5% PT and ≅90 -100 °C for PZN- 7%PT These results, including the upper bound values of TR-T, ... (b) 110 ºC, and (c) 1 15 ºC The intensity contours are in log scale T# indicates the vague T diffractions TNT denotes the T at ∆ω ≠ 0º 172 o ε' (x1 0 ) (a) 100 C ε'...

Ngày tải lên : 14/09/2015, 08:40

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$High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 11$

High resolution x ray diffraction study of phase and domain structures and thermally induced phase transformations in PZN (4 5 9)%PT 11

... crystal domains in single crystal relaxor ferroelectric, J Appl Phys., 87, p 8 159 -8164 2000 70 Yin, J and W Cao Domain configurations in domain engineered 0. 955 Pb(Zn1/3Nb2/3)O3-0.045PbTiO3 single crystals ... (001)T domains in PZN( 6-8)%PT crystals, which are shadowed by the R domains upon fracturing (b) To investigate the effects of temperature and E-field on the R and...

Ngày tải lên : 14/09/2015, 08:40

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Báo cáo khoa học: End-damage-speciﬁc proteins facilitate recruitment or stability of X-ray cross-complementing protein 1 at the sites of DNA single-strand break repair docx

Báo cáo khoa học: End-damage-speciﬁc proteins facilitate recruitment or stability of X-ray cross-complementing protein 1 at the sites of DNA single-strand break repair docx

... include identification of these lesions as a strand break, verification of the nature of the 3¢ end, and identification of a satisfactory pathway for repair The XRCC1 component of the XRCC1 DNA ligase ... period Approximately 80% of the repair of the substrate is achieved within at a point where the proteins are dissociating from the DNA Therefore, cross...

Ngày tải lên : 23/03/2014, 11:20

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