Ferroelectric gating of graphene 8
Ferroelectric gating of graphene 8
... Fig 8. 7a Fig 8. 7b shows the pure PET substrate signal 1 08 (b) Transmittance Transmittance (a) Figure 8. 7: a: Optical transmittance of graphene as a function of strain and polarization angle of ... image of graphene sample after partially define HSQ layer (d) AFM image of graphene sample after P(VDF-TrFE) spin coating (e) R vs VBG of graphene samples before patterni...
Ferroelectric gating of graphene 9
... 199 3 [5] S Iijima Helical microtubules of graphitic carbon Nature, 354:56, 199 1 [6] P R Wallace The band structure of graphite Phys Rev, 71:622, 194 7 [7] A K Geim and K S Novoselov The rise of ... potential research topics involving graphene and ferroelectric material 9. 3.1 Gate-tunable graphene -ferroelectric photonics Over the past seven years, the main focus of graphen...
Ferroelectric gating of graphene chap 3
... that we are using is ferroelectric copolymer P(VDF-TrFE) 31 a b Figure 3. 5: (a) Schematics of a graphene -ferroelectric p-n-p junctions; (b) Optical image of a graphene -ferroelectric p-n-p junction ... lattice [49, 50, 80] 30 3. 2 Fabrication of graphene field effect transistor GFET 3. 2.1 GFET devices using mechanically exfoliated graphene After graphene is transferr...
Ferroelectric gating of graphene 1
... 11 5 11 6 11 6 11 7 11 8 Bibliography 11 9 Publications 14 1 Patents 14 3 vii Acknowledgements Over my four-year Ph.D time, I would like to express my deep thanks to my advisor, ¨ Prof Barbaros ... 10 9 10 9 11 1 11 1 11 3 9.2.3 Can we achieve less than 10 0 Ω/2 sheet resistance in CVD graphene? 9.3 Future outlook 9.3 .1 Gate-tunable graphene -ferroelectric ... 12 12 1...
Ferroelectric gating of graphene 6
... Intensity (a.u.) a G P(VDF-TrFE) 1530 1 560 1590 162 0 165 0 Raman Shift (cm -1 ) 168 0 c 1.0 0.0 -1.0 -2.0 -1.0 -0.5 0.0 0.5 1.0 Voltage (V) Figure 6. 6: (a) XRD results of both P(VDF-TrFE) foil and house-produced ... excellent mechanical support for graphene (Fig 6. 3a) Fig 6. 3b shows the graphene- P(VDF-TrFE) hybrid structure on top of PET substrates The transmission spectra as...
Ferroelectric gating of graphene 4
... ferroelectric thin film of poly(vinylidene fluoride-trifluoroethylene) 44 Figure 4. 3: (a) Sample geometry of a finished graphene -ferroelectric memory device (b) Optical image of a graphene samples showing ... linear slope of the R vs VBG 45 Rmax R (k ) R/R>350% RPr Rmin -1 =700 cm V s -80 -40 V TG -1 40 80 (V) Figure 4. 4: Electric hysteresis loop; R as a function of VTG f...
Ferroelectric gating of graphene 7
... Cu-CVD graphene on PZT As shown in Fig 7. 1e, G peaks of Cu-CVD graphene on PZT show a noticeable red shift of ∼ 10 cm−1 and broadening of full width at half maximum (FWHM), compared to CVD graphene ... cm−2 (Fig 7. 2b and 7. 2c) This indicates the electron-hole puddle intensity of graphene on PZT is an order -of- magnitude higher than graphene on SiO2 The strong charge i...
Ferroelectric gating of graphene 5
... over 50 - 350 K and 1012 cm−2 ranges (Fig 5. 5e and 5. 5f) [34] a c 12 e -2 2.0 x 10 cm , S1 -2 -2 12 -2 12 400 50 40 12 12 60 -2 2.0 x 10 cm , S2 200 400 20 2 .5 x 10 cm 100 -3 -4 -2 -1 12 150 200 250 ... γT /ne, and 70 SLG 16 B=9T T = 3 .5 K c e 1.8 SLG 60 1.6 40 -0.3 0.0 40 -3 60 d -8 20 VBG (V) 40 60 -2 12 -2 -2 3.8 (10 cm ) 0.2 0.4 50 150 250 -2 350 50 150 250 T (K) f BLG 400 BLG...
The third test of grade 8 (good)
... today, and cloudy For the teperature the low will be twenty and the high will be twenty six degrees Tokyo will be sunny and dry with a low of fifteen and high of twenty third London is going ... low of minus two and high of five Bangkok will be hot and dry with a low of twenty seven degrees cetigrade and high of thirty three 0,25 x 12 = 1- d 2- b 3- c III IV 1is 4- a 5- d...
The last test of grade 8 ( very good)
... school -Truc Ninh District -Nam Dinh province Answer key ( Test # – Grade 8) I II Tapescript : 0,5 x = And here is today’s weather forecast for the international traveler Let’s start with Sydney It ... to have a wet day It will be very cold with a low of minus two and high of five Bangkok will be hot and dry with a low of twenty seven degrees cetigrade and high of thirty...
Evaluation of Meteosat-8 measurements using daily global solar radiation for two stations in Iraq
... Ground measurements of daily solar radiation for the year 2008 were used for the comparisons with the Meteosat-8 data The ground data were obtained from the Iraqi Meteorological Office for two stations, ... ground measurements of daily solar radiation are in a good agreement Statistical analysis of these comparisons indicated that the daily solar radiat...
TEST OF UNIT 8+KEY
... the heavy rain A though B because of C In spite of D because 50 the children were swimming for hours _ the water was cold A in spite of B although C because of D if III ERROR IDENTIFICATION: ... there, of course, and both the picturesque farmhouses But none of the inhabitants are country people All of them are commuters, who leave early every morning for the nearby town Neither...
English for students of Physics_Unit 8
... however, bubbles of gas begin to form on the electrodes Those forming on the anode are bubbles of oxygen, and those forming on the cathode are bubbles of hydrogen (Adapted from English in Physical ... show that most of the mass and all of the positive charge of an atom are concentrated in a small region of the atom which is later called its nucleus For many years before Ruth...
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