フィッティング結果

50

51

0 10 20

-500 0

500 1.2T

Pz(a.u.) Jmag(Pz)(counts)

MCP fitting Tb

Co

0 10 20

-1000 -500 0

500 0.8T

Pz(a.u.) Jmag(Pz)(counts)

MCP fitting Tb

Co

0 10 20

-1000 0

0.4T

Pz(a.u.) Jmag(Pz)(counts)

MCP fitting Tb

Co

0 10 20

-1000 -500 0

500 0.28T

Pz(a.u.) Jmag(Pz)(counts)

MCP fitting Tb

Co

0 10 20

-1000 0

0.18T

MCP fitting Tb

Co

Pz(a.u.) Jmag(Pz)(counts)

0 10 20

-1000 -500 0

500 0.8T

Pz(a.u.) Jmag(Pz)(counts)

MCP fitting Tb

Co

0 10 20

-1000 0

1.6T

Pz(a.u.) Jmag(Pz)(counts)

MCP fiting Tb

Co

0 10 20

-2000 -1000 0 1000

Pz(a.u.) Jmag(Pz)(counts)

2.5T

MCP fitting Co

Tb

#0421

52

0 10 20

-1000 0

0.06T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Tb

Co

0 10 20

-1000 0

-0.06T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Tb

Co

0 10 20

-1000 0

-0.08T

Pz(a.u.) Jmag(Pz)(counts)

MCP fitting Tb

Co

0 10 20

-1000 0

-0.18T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Tb

Co

0 10 20

-500 0 500

1000 -0.28T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Tb

Co

0 10 20

0

1000 -0.4T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Tb

Co

0 10 20

-500 0 500 1000

Jmag(Pz)(counts)

Pz(a.u.)

-0.8T

MCP fitting Tb

Co

0 10 20

0

1000 -1.2T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Tb

Co

53

0 10 20

0 500

Jmag(Pz)(counts)

Pz(a.u.)

0.3T MCP fitting Co

Tb

0 10 20

-200 0 200 400 600

Jmag(Pz)(counts)

Pz(a.u.)

0.12T MCP fitting Co

Tb

0 10 20

-200 0 200 400 600

Jmag(Pz)(counts)

Pz(a.u.)

0.6T MCP fitting Co

Tb

Fig.6.19 フィッティング結果(#0421(Tb20Co80))

0 10 20

-500 0 500

1000 -1.6T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Tb

Co

0 10 20

0 1000

MCP fitting Co

Tb

2.5T

Jmag(Pz)(counts)

Pz(a.u.)

#0426

0 10 20

0 500

Jmag(Pz)(counts)

Pz(a.u.)

2.0T MCP fitting Co

Tb

0 10 20

0 500

Jmag(Pz)(counts)

Pz(a.u.)

1.5T MCP fitting Co

Tb

0 10 20

0 500

Jmag(Pz)(counts)

Pz(a.u.)

1.0T MCP fitting Co

Tb

0 10 20

0 500

Pz(a.u.) Jmag(Pz)(counts)

0.02T MCP fitting Co

Tb

0 10 20

0 500

Pz(a.u.) Jmag(Pz)(counts)

0T MCP fitting Co

Tb

0 10 20

-200 0 200 400 600

Pz(a.u.) Jmag(Pz)(counts)

-0.02T MCP fitting

Co

Tb

0 10 20

-500 0

Pz(a.u.) Jmag(Pz)(counts)

-0.3T

MCP fitting Co

Tb

54

0 10 20

-300 -200 -100 0 100 200

Pz(a.u.) Jmag(Pz)(counts)

-0.12T

MCP fitting Co

Tb

55

0 10 20

-2000 -1000 0 1000

Pz(a.u.) Jmag(Pz)(counts)

2.5T

MCP fitting Co

Tb

#0917-1

0 10 20

-1000 -500 0

500 2.0T

Jmag(Pz)(counts)

Pz(a.u.)

MCP fitting Co

Tb

0 10 20

-1000 -500 0 500

Pz(a.u.) Jmag(Pz)(counts)

1.4T

MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

1.6T

MCP fitting Co

Tb

Fig.6.20 フィッティング結果(#0426(Tb14Co86))

0 10 20

-1000 -500 0

Pz(a.u.) Jmag(Pz)(counts)

-0.6T

MCP fitting Co

Tb

0 10 20

-1000 -500 0 500

Pz(a.u.) Jmag(Pz)(counts)

-1.0T

MCP fitting Co

Tb

0 10 20

-500 0

Pz(a.u.) Jmag(Pz)(counts)

-1.5T

MCP fitting Co

Tb

0 10 20

-1000 -500 0 500

Pz(a.u.) Jmag(Pz)(counts)

-2.0T

MCP fitting Co

Tb

56

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

1.2T

MCP fitting Co

Tb

0 10 20

-1000 -500 0 500

Pz(a.u.) Jmag(Pz)(counts)

1.0T

MCP fitting Co

Tb

0 10 20

-1000 -500 0 500

Pz(a.u.) Jmag(Pz)(counts)

0.75T

MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

0.5T

MCP fitting Co

Tb

0 10 20

-1000 0

Pz(a.u.) Jmag(Pz)(counts)

0.25T

MCP fitting Co

Tb

0 10 20

-1000 -500 0 500

Pz(a.u.)

Jmag(Pz)(counts) -0.25T

MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

-0.5T

MCP fitting Co

Tb

0 10 20

0 500

Pz(a.u.) Jmag(Pz)(counts)

-0.75T MCP fitting Co

Tb

57

0 10 20

0 1000

Pz(a.u.) Jmag(Pz)(counts)

-1.6T MCP fitting Co

Tb

0 10 20

-2000 -1000 0 1000

Pz(a.u.) Jmag(Pz)(counts)

2.5T

MCP fitting Co

Tb

#0917-2

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

2.0T

MCP fitting Co

Tb Fig.6.21 フィッティング結果(#0917-1(Tb18Co82))

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

-1.0T MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

-1.2T MCP fitting Co

Tb

0 10 20

-500 0 500 1000

Pz(a.u.) Jmag(Pz)(counts)

-1.4T MCP fitting Co

Tb

0 10 20

0 1000

Pz(a.u.) Jmag(Pz)(counts)

-1.6T MCP fitting Co

Tb

58

0 10 20

-500 0 500

Pz(a.u.)

0.05T

Jmag(Pz)(counts)

MCP fitting Co

Tb

0 10 20

-200 0 200 400

Jmag(Pz)(counts)

Pz(a.u.)

-0.05T

MCP fitting Co

Tb

0 10 20

-500 0 500

Jmag(Pz)(counts)

Pz(a.u.)

1.5T

MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

1.0T

MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

0.6T

MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

0.4T

MCP fitting Co

Tb

0 10 20

-500 0 500

Jmag(Pz)(counts)

Pz(a.u.)

0.25T

MCP fitting Co

Tb

0 10 20

-400 -200 0 200 400

Jmag(Pz)(counts)

Pz(a.u.)

0.15T

MCP fitting Co

Tb

59

0 10 20

-200 0 200

Pz(a.u.) Jmag(Pz)(counts)

-0.15T

MCP fitting Co

Tb

0 10 20

-500 0 500

Pz(a.u.) Jmag(Pz)(counts)

-0.4T MCP fitting Co

Tb

0 10 20

-500 0 500

Jmag(Pz)(counts)

Pz(a.u.)

-1.0T MCP fitting Co

Tb

0 10 20

-500 0 500

Jmag(Pz)(counts)

Pz(a.u.)

-2.0T MCP fitting Co

Tb

0 10 20

-400 -200 0 200

Jmag(Pz)(counts)

Pz(a.u.)

-0.25T

MCP fitting Co

Tb

0 10 20

-500 0 500

Jmag(Pz)(counts)

Pz(a.u.)

-0.6T MCP fitting Co

Tb

0 10 20

-500 0 500

Jmag(Pz)(counts)

Pz(a.u.)

-1.5T MCP fitting Co

Tb

60

0 10 20

0 1000 2000

Jmag(Pz)(counts)

Pz(a.u.)

2.5T MCP fitting Co

Tb

#0919-1

0 10 20

0 500 1000

Pz(a.u.) Jmag(Pz)(counts)

1.5T MCP fitting Co

Tb

0 10 20

0 500 1000

Pz(a.u.) Jmag(Pz)(counts)

0.6T MCP fitting

Co

Tb

0 10 20

0 500 1000

Pz(a.u.) Jmag(Pz)(counts)

0.4T MCP fitting

Co

Tb Fig.6.22 フィッティング結果(#0917-2(Tb22Co78))

0 10 20

0 500

Jmag(Pz)(counts)

Pz(a.u.)

2.0T MCP fitting Co

Tb

0 10 20

0 500

Pz(a.u.) Jmag(Pz)(counts)

1.0T MCP fitting

Co

Tb

61

0 10 20

-500 0 500 1000

Pz(a.u.) Jmag(Pz)(counts)

0.3T MCP fitting

Co

Tb

0 10 20

-500 0 500 1000

Pz(a.u.) Jmag(Pz)(counts)

0.1T MCP fitting

Co

Tb

0 10 20

-200 0 200

Jmag(Pz)(counts)

Pz(a.u.)

-0.1T MCP fitting Co

Tb

0 10 20

-400 -200 0 200

Pz(a.u.) Jmag(Pz)(counts)

-0.2T

MCP fitting Co

Tb

0 10 20

0 500

Pz(a.u.) Jmag(Pz)(counts)

0.2T MCP fitting

Co

Tb

0 10 20

-500 0

Pz(a.u.) Jmag(Pz)(counts)

-0.3T

MCP fitting Co

Tb

62

0 10 20

-1000 -500 0 500

Pz(a.u.) Jmag(Pz)(counts)

-0.4T

MCP fitting Co

Tb

0 10 20

-500 0

Pz(a.u.) Jmag(Pz)(counts)

-0.6T

MCP fitting Co

Tb

0 10 20

-1000 -500 0

Pz(a.u.) Jmag(Pz)(counts)

-1.5T

MCP fitting Co

Tb

0 10 20

-1000 -500 0

Pz(a.u.) Jmag(Pz)(counts)

-1.0T

Co Tb

MCP fitting

Fig.6.23 フィッティング結果(#0919-1(Tb13Co87))

-Jmag(Pz)(counts)

63

-2 -1 0 1 2

-2000 0 2000

Magnetic Field(T)

Magnetization(emu/cc)

#0426(Tb14Co86)

SpinTb

SpinCo

SSMH

Fig.6.24 元素別スピン選択磁化曲線(#0421) Fig.6.25元素別スピン選択磁化曲線(#0426)

Fig.6.26 元素別スピン選択磁化曲線(#0917-1) Fig.6.27元素別スピン選択磁化曲線(#0917-2)

-2 -1 0 1 2

-200 -100 0 100 200

Magnetic Field(T) Magnetization(emu/cc) #0421(Tb₂₀Co₈₀)

SpinTb

SpinCo

SSMH

-2 -1 0 1 2

-300 -200 -100 0 100 200 300

Magnetization(emu/cc)

Magnetic Field(T)

#0917-1(Tb₁₈Co₈₂)

SpinTb

SpinCo

SSMH

-2 -1 0 1 2

-400 -200 0 200 400

Magnetization(emu/cc)

Magnetic Field(T)

#0917-2(Tb22Co78)

SpinTb

SpinCo

SSMH

64 Fig.6.28 元素別スピン選択磁化曲線(#0919-1)

Fig.6.29元素別スピン選択磁化曲線(#0421) Fig.6.30元素別スピン選択磁化曲線(#0426)

Fig.6.31元素別スピン選択磁化曲線(#0917-1) Fig.6.32元素別スピン選択磁化曲線(#0917-2)

-2 -1 0 1 2

-1000 0 1000

Magnetization(emu/cc)

Magnetic Field(T)

#0919-1(Tb₁₃Co₈₇)

SpinTb

SpinCo

SSMH

-2 -1 0 1 2

-200 -100 0 100 200

Magnetic field(T)

Magnetization(emu/cc)

#0421(Tb₂₀Co₈₀) ^SpinTb

SpinCo

SSMH

-2 -1 0 1 2

-1000 0 1000

Magnetic field(T) Magnetization(emu/cc) #0426(Tb₁₄Co₈₆)

SpinTb

SpinCo

SSMH

-2 -1 0 1 2

-500 0 500

Magnetic field(T)

Magnetization(emu/cc) #0917-1(Tb₁₈Co₈₂)

SpinTb

SpinCo

SSMH

-2 -1 0 1 2

-400 -200 0 200 400

Magnetic field(T) Magnetization(emu/cc) #0917-2(Tb22Co78)

SpinTb

SpinCo

SSMH

65 Fig.6.33元素別スピン選択磁化曲線(#0919-1)

Fig.6.24~28、Fig.6.29~33を比較すると、①Coの軌道の磁気効果を考慮しない解析か

ら導出したスピン選択磁化曲線を分離した結果と比べ②TbCo2化合物としてのCoの軌道を 考慮する解析から導出したスピン選択磁化曲線を分離した結果は、飽和磁化が増大する試 料(#0421、#0917-1)、飽和磁化が減少する試料(#0426、#0919-1)、ほとんど変化しない試 料(#0917-2)がある。元素ごとの寄与と磁場との関連性を検討するためTbのスピン選択磁 気モーメントとCoのスピン選択磁気モーメントの比を求めたグラフをFig.6.34～38、

Fig.6.39～43に示す。Fig.6.34～38は①Coの軌道の磁気効果を考慮しない解析から導出し

たTbのスピン選択磁気モーメントとCoのスピン選択磁気モーメントの比、Fig.6.39～43 は②TbCo2化合物としてのCoの軌道を考慮する解析から導出したTbのスピン選択磁気モ ーメントとCoのスピン選択磁気モーメントの比のグラフである。

Fig.6.34 Tb,Coスピンの比(#0421) Fig.6.35 Tb,Coスピンの比(#0426)

-2 -1 0 1 2

-500 0 500

Magnetization(emu/cc)

Magnetic Field(T)

#0919-1(Tb₁₃Co₈₇)

SpinTb

SpinCo

SSMH

-2 -1 0 1 2

0.4 0.6 0.8 1

Magnetic field(T) Ratio,μS-Co/μS-Tb

Co3d spin/T b4f spin

#0421(Tb₂₀Co₈₀)

-2 -1 0 1 2

-2.5 -2 -1.5 -1

Magnetic field(T) Ratio,μS-Co/μS-Tb

#0426(Tb14Co86)

Co3d spin/T b4f spin

66

Fig.6.36 Tb,Coスピンの比(#0917-1) Fig.6.37 Tb,Coスピンの比(#0917-2)

Fig.6.38 Tb,Coスピンの比(#0919-1)

Fig.6.39 Tb,Coスピンの比(#0421) Fig.6.40 Tb,Coスピンの比(#0426)

-2 -1 0 1 2

-1.3 -1.2 -1.1 -1 -0.9

Magnetic field(T) Ratio,μS-Co/μS-Tb

#0917-1(Tb₁₈Co₈₂)

Co3d spin/T b4f spin

-2 -1 0 1 2

-2 -1 0

Magnetic field(T) Ratio, μS-Co/μS-Tb

#0917-2(Tb22Co78)

Co3d spin/T b4f spin

-2 -1 0 1 2

-2 -1

Magnetic Field (T) Ratio,μS-Co/μS-Tb

#0919-1(Tb₁₃Co₈₇)

Co3d spin/T b4f spin

-2 -1 0 1 2

-1.2 -1 -0.8

Magnetic field(T) Ratio, μS-Co/μS-Tb

#0421(Tb20Co80) Co3d spin/T b4f spin

-2 -1 0 1 2

-2.5 -2 -1.5 -1

Magnetic field(T) Ratio, μS-Co/μS-Tb

#0426(Tb₁₄Co₈₆)

Co3d spin/T b4f spin

67

Fig.6.41 Tb,Coスピンの比(#0917-1) Fig.6.42 Tb,Coスピンの比(#0917-2)

Fig.6.43 Tb,Coスピンの比(#0919-1)

この結果から、両解析共にTbのスピン選択磁気モーメントとCoのスピン選択磁気モー メントの比はどの磁場でもほぼ一定であることがわかる。なお、エラーバーの大きくなっ ている磁場は保磁力近傍の磁場である。また、磁化反転におけるTb、Co元素の寄与を明確 にするため、各元素の全磁化曲線を求める必要がある。

ドキュメント内 角型比の高いTbCo 垂直磁化膜の磁化反転挙動 (ページ 51-68)