國立中山大學學位論文典藏.PDF

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慎考矫祭
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1 立論力理論奈金 Molecular dynamics simulation combined magnetic theory on investigation of the magnetic properties and nano-structural variation of Co-Cu nanoparticle. 羅理年 I

3 年來奈料數量奈粒力料若奈粒料來數參奈金利力理論奈粒數度連數度例列奈粒數兩金理論量理論力數奈粒不例度禮度 II

4 III

5 兩年來說老理論理老了不老臨度老不吝六理理論說不老力老北老度不了力不不理留練力兩年良度老易論兩年理兩兩年來力李林勞不論論說 SCI 履行老領 IV

6 年了力綠來更老來了老老老老不便勵旅了裡什領力金來料老力更路 eep waling V

7 錄 1 論力理論數數度聯數力數... 0 列... 1 列... 列列力理論... 6 奈粒理... 7 理論量理論論奈粒論 VI

8 論量論論論...54 來 VII

9 錄參數量... 5 理量量... 5 VIII

10 錄流立列... 3 列奈粒數理粒粒奈粒度例奈粒度例... 8 力流... 9 奈粒量度度度... 4 度例 5% 度例 5% 度 RDF 度 X=5% 度 X=5% 奈粒 CO-CO CU-CU CO-CU RDF 度 X=5% 度 X=5% 奈粒度連數 ACF 度 X=5% 5% CU-CUCO-CO CO-CU 不度 IX

11 度 X= 5% CU-CUCO-CO CU-CO RDF 度奈粒度例數度奈粒不度度度禮度奈粒度度... 5 X

12 1 論 R. Feynman 說年來索奈度理料奈度行不異異了奈來臨說奈領奈行領力例論奈粒料參 1

13 年來奈料金狀不金金連來金度金更異料更料參說力奈金例不金金年來磊磊金理奈金金不狀粒狀奈奈粒奈金度例金行例例粒亂例度行禮度度禮度奈金數例年來

14 量力理料讀利雷料度度料來讀料料利雷量料度禮度料若料錄度禮度理料力雷度奈粒奈粒度量奈粒奈粒禮度了奈金行奈羅奈金粒粒立粒不數量力理論便省略了量量金行力年來來奈度料行理論金行理論年理利力理論羅理論來不例 3

15 度行粒數理論來粒行來金理論量數理論度量禮度力金粒不例例粒理理論來金度力金行量理論量行拓力領 4

16 年磊類列奈理量量理量兩類量邏量量行年來力例數度讀錄度降理年率數量奈料年奈粒粒便了金不不粒金粒金金兩粒例不不例粒奈金 88 1 離粒狀金狀狀度裡粒奈奈不 5

17 x 100 不例粒奈金 x 裡論金粒度滑粒狀奈金金理奈粒金例裡度不粒不量來不參數粒狀金力粒粒粒粒列粒兩粒聯了奈粒亂度良行粒奈理良列來理理粒例不例不行奈量聯粒奈粒數量 6

18 粒兩沈 4 離奈粒狀金金粒例不 100 x 不度量粒不 x 度金粒量粒例度金度例奈金奈金粒金例度便行例立金例例例例例金禮度不例不連利金不度更滑連金不異金行金行利羅理論來不例 7

19 粒數理論理論金力奈金羅更理論了粒行力來金若力理論利力粒數理論行金行行 8

20 力理論不度奈金論奈金力理論力理論力理論理論量理論理論論奈粒論論來力 9

21 力理論力理論年度理來說力數力數量力粒數度力數說力數列來數 10

22 數力力數粒數 = v r i v ri rj v3 ri rj r L V 1 r i i i j> i i j> i > j> i v 1 力 v r i r j v ri rj r 3 兩粒離了兩粒離兩粒粒 j i 11

23 j i 力數金度金行利來金行金金年不參數 E coh 列數 1

24 i i E E E = coh i B R E i R = j Ae rij p 1 r0 1 rij q 1 i r0 E = B ξ e j 參數 A p ξ q r 0 不 E E i R 不度數行數數良契 i B E c = i j 1 r ij r ij q 1 p r0 r0 1 ξ e Ae j 年理量金了金力金更行量數 13

25 E i R r 1 ij r 0 ij = Aαβ 1 Aαβ exp pαβ 1 αβ αβ j r0 r0 粒力了參數數力量 F ij δe = L δr = ij i δe δr ij j L 1 1 φ φ rij rij Ap p 1 q 1 r0 qξ r0 e e i j r0 r0 j i rij q 1 r0 φ = e i φ i 參數 Parameters A 1 ev A 0 ev ξ ev p q o r 0 A Cu Co Co-Cu

26 力度力更利 t 度度 t δt 1 r t δ t r t r& t δt & r t δt! = t δt t δt 度 t δt t 度 t δt 度 1 v t δ t = v t & r t & r t δt δt 15

27 流 position velocity force Velocity Verlet algorithms 流 16

28 數列見列數度數兩利率了說數理論數數度數度離率數量數度 ρ 數度 ρ 0 數 N ρ n g r = ρ 0 = f n Vn N V = 4π 3 f n 3 3 n r n 1 r N V n N max f n n 1 r rij n r 兩離 rij 數量 17

29 1 3 參離 r r 18

30 度聯數來度聯數兩度率度 o o o o o o o o o o 度度列度 N p θ ω θ = N N θ P 度 θ θ / θ θ / 數 N 參數兩度 θ N θ P 列例兩度 19

31 力數力力數例數 C N = N N 1 數力量力省例力離離 r * =.5σ 兩力零 r c 離 r c 力略不了力量數 i r c 利數離烈 0

32 列列列粒若行更了列 r l 列來說力 r l = r c 0.3σ 離更若例 C N = N N 1 不立列省 0.3 r l i r c 1

33 列列 r l 列理立不力若例數數列列 i r l r l

34 列列列列列利列立列列立列兩來立列兩列率 i r l r l 立列 3

35 力度了數量若數行數量參數行理量量度量度量參數離量數理量理量 4

36 量量參數離量數理量量參數量度 r r * r = 0 度 T * = T D 力 F * r0 = F D δt * = δt D m r 0 度 v * = v m D E * = E D * U U = D 5

37 3 力理論 3 金 S = 數粒金裡數來不兩粒行金量粒金若粒理論粒更理論金行力數來行利力理論奈金數理論金度利林數量理論粒數量理論利理論數數量理論力奈粒理粒數理論粒數林數理論 6

38 奈粒理力流列六奈粒數奈粒例奈粒數列力狀理度粒亂冷率奈粒奈粒粒奈粒數理論 7

39 列奈粒數理粒粒奈粒度例奈粒度例 8

40 利數力利 Velocity Verlet 度度 Yes 數 t = t t No 力流 9

41 理論金來 s 5p 3d 6s 金 A o 不不離金來了來來金了說金理不力粒狀金來 H = J l m F R S S F lm l m 30

42 F 度量參粒 J 9πJ 0 e = E F n N J 0 參 E F n e 度度數 x cos x sin x F x = 4 x 不量參粒數參粒 H = J G R F R S R S0 R F 來 h h = J G R F R R F S Z E m = m h Z Z m h 度量 Z 3 S = 度 31

43 S Z S mz = S = S mz = S mz exp βmz h exp βm h Z S = ln exp βmz βh mz = S β = 1/ K B T S mz = S exp βm h = exp βsh exp β s 1 h exp βsh Z βh βh sβh = exp βhs{1 14 e 444 e e 3} s 1 s = exp βhs 1 r r r = e βhs s 1 r 1 r 1 e = β s 1 h e βh e 1 βsh 1 β s h 1 β s h e e = 1 1 βh βh e e s ms = s β s h β s h βh βh βh ln exp βm h = ln e e ln e e r = e z 度列理數 S Z = coth β h s coth s βh 3

44 量理論 3 金 S = 數粒粒數兩粒行理論理論金行數 F x 來度行利林數行數來金金 H 粒 H 量 J H = H H J = σ ε c c J S J σ S σ J ψ Z Z σ σ S σ σ 了行林數 G t = S t; S 0 = iθ t [ S t S 0] i j i j i j θ t 數了理便利葉 33

45 量林數 G q t = S q t; S00 林數 d i dt G q t = ϕ [ S t H ]; S00 q 數 ϕ 數數列數 i q Rl Z [ S q S ] = e Sl N l = i q Rl Z e g Rl S N l = N g q S Z 1 [ S q S ] = S q N ψ ψ [ σ σ ' ] = c c c p p ' p p p c 1 N σ [ σ σ Z ' ] = ' g R gq 金量 l Z 數力 S 34

46 35 = Z q Z S S N J S q g N S J q G 00 ; 00 ; σ σ ϕ ω ω = Z Z q G J q g N S J ω σ ω ζ ϕ Z σ 林數林數 = 00 ; S σ ω ζ 林數 = p p p p p p p p p p G c c c c J S c c 00 ; ω ε ε ω ωζ ψ ψ ψ ' ' ' Z g S N J ω ζ 兩林數連了便數利來理 ] [ ] [ ' ' ' ' ' ω ζ ω ζ g g 00 ; ω ε ε ω ψ ψ ψ G S c J c c c c J S c c Z p p p p p p p p = = ' ' vol V g c = Z Z q G J G F q g N S J q G ω σ ω ω ϕ ω ω 數 ω F = p Z p p p p p p S c J c c c c F ε ε ω ω ψ ψ

47 36 理 ] [ ] [ ω ω ω ω q G F q g G F q g = vol Z Z F V q g N S J J q ω σ ω 奈金量 * m p h = ε p 連 p d 3 度 = 0 * ln 1 * * * * m p m Z m p m Z p S c J S c J f pm dp F h h h h h ω ω π ω 0 * ln 1 * * * * m p m Z m p m Z p S c J S c J f pm dp h h h h h ω ω π p f p f 拉了奈粒利了 ] [ ] [1 ] ][ 1 [ ] ][1 [ Φ Φ Φ Φ Φ Φ = S S S S Z S S S S S S S S S = Φ q q N S 1 1 exp 1 βω

48 4 論來不度例奈粒例度粒數理論度度粒數量理論林數度 37

49 奈粒論奈粒度例不不度例奈金例奈粒例度 5% 5% 見 5% 粒 5% 粒例粒粒便兩量理論理說兩度例量降奈粒粒粒行奈粒量度降利數度連數奈粒兩度度度兩列度列粒立列 38

50 粒列粒粒異粒粒六例列兩不例粒例粒粒奈粒列來粒來粒奈粒度連數度零例粒說度降度奈粒列度度度不 170 度度列說奈粒狀列更易 39

51 不度度例不度便兩例類度降度度降度度例來論理參離度見奈粒度度參度參度參度來說粒來度降度降粒列更裡度降列不粒度列列行奈粒 40

52 度降說列度度奈粒 41

53 -.9 Average Potential Energy Co concentration x=05 x=5 910K 810K 1140K 160K annealing direction Temperature K 奈粒量度度度 4

54 Co concentration X=05 910K 860K 810K 10 RDF A R Angstroms Co concentration X=5 160K 100K 1140K 10 RDF A R Angstroms 度例 5% 度例 5% 度 RDF 43

55 RDF K 810K-Co 810K-Cu K 910K-Co 910K-Cu A R Angstroms K 1140K-Co 1140K-Cu K 160K-Co 160K-Cu RDF A R Angstroms 度 x=5% 度 x=5% 奈粒 Co-CoCu-Cu Co-Cu RDF 44

56 4 3 Co concentration x=05 810K 810K-Co 810K-Cu 910K 910K-Co 910K-Cu ACF Angle θ 4 3 Co concentration x=5 1140K 1140K-co 1140K-cu 160K 160K-co 160K-cu ACF Angle θ 度 x=5% 度 x=5% 奈粒度連數 ACF 45

57 .7.68 Co-05 Cu-05 CuCo K 910K 1140K 160K.66 Co-5 Cu-5 Average Bond Length CuCo-5 annealing direction Temperature K 度 x=5% 5% Cu-CuCo-Co Co-Cu 不度 46

58 8 7 Co concentration X=5 Co-Co The first pea value of RDF K 160K Cu-Cu Cu-Co annealing direction Temperature K 度 x= 5% Cu-CuCo-Co Cu-Co RDF 度 47

59 論利奈粒數理論離數奈粒狀粒不量 F 兩離行度度度金裡度兩立奈粒度數度 J 0 ~ 9. 0eV 度 TC 禮度力金度 ~ 945K T C ~ 不粒度度度 T C 度例例度度便度理度離 48

60 Gr K GR 5:75 0:80 15:85 10:90 05: R Angstroms GR K GR 5:75 0:80 15:85 10:90 05: R Angstroms 奈粒度例數 49

61 Magnetization x=5 x=0 x=15 x=10 x= Temperature K 度奈粒不度度度禮度 50

62 量論數量理論 3 J = 0.18eV. nm 禮度粒理度奈粒度度度奈粒度度行 T C 度零度兩兩例度 T C 量降度來度不易量力理論量理論數來來度量利 51

63 1.8 Magnetization Co Concentration x=5 x= Temperature K 奈粒度度 5

64 5 論兩利力連行理論奈粒利粒數兩理論論來 53

65 論力例奈粒度例說度粒度降不度度例度粒行例度行力數理論理奈金度奈金度粒度利數量理論奈金理行降量度理論度度度 54

66 來奈金兩異更拉識不金不行來若奈粒力理論不論理論量理論度良度不量理念金行行來量 55

67 參 Magnetic properties of NdCePr---Fe---SiAl bul amorphous materials Effect of Cu or Ag on the Formation of Coexistenct Nanoscale Al Particles in Al-Ni-M-Ce M=Cu or Ag Amorphous Alloys Epitaxial Growth of Metastable Co-Cu Alloys by a Surface Pump Mechanism Microstructural and magnetic evolution upon annealing of giant magnetoresistance melt-spun Co-Cu granular alloys Structural magnetic and transport properties of Co nanoparticles within a Cu matrix 56

68 Reentrant magnetic behavior in fcc Co-Cu alloys Magnetic properties of Co-Cu metastable solid solution alloys Structure and dynamics of graphite-supported nanoclusters Cross-over among structural motifs in transition and noble-metal clusters Energetics of Co adatoms on the Cu001 surface Metastable Triply Charged Diatomic Molecules Produced with Femtosecond Pulses 奈料奈立 57

69 NaBH 4 58

70 59

71 劉量力金北北 60

72 Au xcu y 呂料論立理 61

73 An Investigation into the Magnetic Properties of Co-Cu Nanoparticles at Different Temperatures JOURNAL OF APPLIED PHYSICS SCI i.f.*:.171 奈金粒不度 CSME5549~ /11/6~7. 參 6