Transcription of 1.3 宏观物质的磁性 体
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70 70 . 19 <0 <<1 1. Diamagnetism) He Ne Ar Kr Xe Si Ge S P Cu Ag Au NaCl KBr H2 CO2 CH4 Bi Ga Zn Pb =-1 p25 CGS CGS 10-6 cm3 mol-1 10-6 SI 4 10-5 Kittel 2002 n 4 10-6 (1953) p74 20 C CGS 6(10 ) 6(10 ) 1
3. 存在磁性转变的特征温度——居里温度t c,温度低于居里 温度时呈铁磁性;高于居里温度时表现为顺磁性,其磁化 率温度关系服从居里-外斯定律。 4. 在居里温度附近出现比热等性质的反常。 5. 磁化强度m和磁场h之间不是单值函数,存在磁滞效应。
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1077-2626 (c) 2015 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more …
Statistical thermodynamics 1: the concepts Statistical thermodynamics provides the link between the microscopic properties of matter and its bulk properties.
Statistical, Thermodynamics, Statistical thermodynamics 1, Statistical thermodynamics
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Linear, Combination, Binding, Atomic, Orbitals, Cola, Linear combination of atomic orbitals
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Paramagnetism is like coin tosses! Einstein Solid As a last, but important, example of microstates, macrostates and multiplicities, let us consider the Einstein model for a solid. We will use this simple model to make our rst attack on the microscopic meaning of temperature and heat. The Einstein model of a solid
Paramagnetism, Microstates and macrostates, Microstates, Macrostates
10-5 Paramagnetism Some metals, e.g. Al; some diatomic gases, e.g. O 2, NO; ions of transition metals and rare earth metals, and their salts; rare earth oxides. Atoms have randomly oriented magnetic moments. Susceptibility is small & positive, +10-5 to +10-3 Ferromagnetism Transition metals Fe, H, Co, Ni; rare earths with 64 ≤Z≤69; alloys
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3.5.2 A High Temperature Quantum Gas is (Almost) Classical 81 3.5.3 Bose-Einstein Condensation 82 3.5.4 Heat Capacity: Our First Look at a Phase Transition 86 ... 3.6.6 Pauli Paramagnetism 102 3.6.7 Landau Diamagnetism 104 4. Classical Thermodynamics 108 4.1 Temperature and the Zeroth Law 109 4.2 The First Law 111
1 第0章 序 0.1 諸定数 アボガドロ(Avogadro)定数:NA = 6:022140857(74) 1023mol 1 ボルツマン(Boltzmann)定数:kB = 1:38064852(79) 10 23m2kgs 1K 1(J K 1) 気体定数: R= NAkB = 8:3144598(48)JK 1mol 1 プランク(Planck)定数: h= 6:626070040(81) 10 34m2kg=s(J s);ℏ = h=(2ˇ) 電子の静止質量:me = 9:10938356(11) 10 31kg 電子の素電荷: e= 1:6021766208(98) 10 19C
1 第0章 序論 0.1 相転移と臨界現象 1次相転移: 1. 自由エネルギーの1階微分が不連続、潜熱や密度変化 2. 例としては、固体ー液体の融解など
Solid State Physics PHYS 40352 by Mike Godfrey Spring 2012 Last changed on May 22, 2017
[問1]アンモニア(NH3)の窒素原子(原子番号:7)は,2s,2pに5個の電子を持っている。この電子が,sp3混成軌 道を取っている。 そのうちの1つは2個の電子が対を形成している(孤立電子対,非共有電子対)。 残りの3つは不対である。
5.3 a. These diatomic molecules should have similar bond orders to the analogous diatomics from the row directly above them in the periodic table: P2 bond order = 3 (like N2) S2 bond order = 2 (like O2) Cl2 bond order = 1 (like F2) Cl2 has the weakest bond. b. The bond orders match those of the analogous oxygen species (Section 5.2.3): S2