The surface structure relaxation and oxygen adsorbed ( 2 u00d7 22 ) R45 u00b0 Cu ( 100 ) surface are studied by ab initio total energy calculation .

u7528u7b2cu4e00u6027u539fu7406u7684u603bu80fdu8ba1u7b97u7814u7a76u4e86Cuuff08100uff09uff09u9762u7684 u8868u9762u7ed3u6784u3001 u5f1b u8c6bu4ee5u53cau6c27u539fu5b50u7684uff082u00d722uff09u5438u9644u72b6u6001u3002

This papers models and analyses the silicon crystal 100 surface reconstruction and relaxation with the molecular dynamics simulation and first principal theory abinitio calculation .

u672cu6587u5229u7528u5206u5b50u52a8u529bu5b66u6a21u62dfu65b9u6cd5u548cu91cfu5b50u7269u7406u4eceu5934u7b97u6cd5uff0cu5bf9u5355u6676u7845100 u8868u9762u7684u91cdu6784u548c u5f1b u8c6bu8fdbu884cu6a21u62dfu5206u6790u3002

The results for different surfaces show the important effects of surface relaxation and reconstruction on the properties of surface phonons .

u4e0du540c u8868u9762u7ed3u679cu7684u6bd4u8f83u663eu793a u5f1b u8c6bu53cau91cdu6784u5bf9u8868u9762u58f0u5b50u6027u8d28u5177u6709u51b3u5b9au6027u7684u5f71u54cdu3002

In Chapter 3 relaxation in growth with a conservation law is studied and reduced roughness of the surface due to the effect of relaxation is found .

u7b2cu4e09u7ae0u7814u7a76u4e86u5b88u6052 u754cu9762u751fu957fu4e2d u754cu9762u5f1bu8c6bu6548u5e94u7684u5f71u54cduff0cu53d1u73b0 u5f1b u8c6bu4f5cu7528u4f7fu5f97u5b88u6052u751fu957fu7684 u754cu9762u7c97u7cd9u7a0bu5ea6u4e0bu964duff1b

In chapter 2 and 3 surface relaxation effect and point defects ' influences on configurations of surface growth are discussed .

u7b2cu4e8cu3001u4e09u7ae0u662fu5173u4e8e u8868u9762 u5f1b u8c6bu6548u5e94u4ee5u53cau70b9u7f3au9677u5bf9u751fu957fu8868u9762u6784u5f62u5f71u54cdu7684u7814u7a76uff1b

From the theoretical results of stress analyses for a cutting slope it is pointed out that the stress and displacement of the slope become smaller and smaller away from the slope surface . The concept of relaxation region is given .

u6839u636eu5e94u529bu5206u6790u7684u7ed3u679cuff0cu9610u660eu4e86u8fb9u5761u5f00u6316u540eu5e94u529bu4e0eu4f4du79fbu5411u5761u4f53u5185u90e8u5448u8870u51cfu53d8u5316u8d8bu52bfuff0cu7531u6b64u7ed9u51fau4e86u5761 u4f53u5f00u6316 u677eu5f1bu533au7684u6982u5ff5uff1b

This paper evaluated the reinforcing effect of controlling unstable wedge where the the sliding surface was the fault f3 and the action restraining the unload relaxation deformation .

u8bc4u4ef7u4e86u4ee5f3u4e3au63a7u5236u6027 u5e95 u6ed1u9762u4e0du7a33u5b9au6954u5f62u4f53u7684u52a0u56fau6548u679cu4ee5u53cau5bf9u6291u5236u5378u8377 u677eu5f1bu53d8u5f62u4f5cu7528uff1b

Effect of surface relaxation on CBED from regions containing an interface

u8868u9762 u5f1b u8c6bu6548u5e94u5bf9u754cu9762u533au57dfCBEDu7684u5f71u54cd

By considering the large number of dangling bonds of the surface atoms and surface relaxation of nanoparticles the bond model has been established .

u901au8fc7u8003u8651u56fau4f53u8868u9762u539fu5b50u6709u5927u91cfu7684u60acu7a7au952euff0cu800cu4e14 u8868u9762u539fu5b50u6709 u5f1b u8c6bu8fd9u4e00u5b9eu9a8cu4e8bu5b9euff0cu5efau7acbu4e86u7eb3u7c73u5faeu7c92u7ed3u5408u80fdu7684u952eu6a21u578bu3002

An investigation on surface status structure relaxation and crystallization process of fe_ ( 35 ) ni_ ( 15 ) b ( 26 ) nanometer metglas

Feuff0835uff09Niuff0815uff09Buff0826uff09u7eb3u7c73u91d1u5c5eu73bbu7483u7684 u8868u9762u72b6u6001u3001u7ed3u6784 u5f1b u8c6bu53cau6676u5316u8fc7u7a0bu7684u7814u7a76

The surface relaxation and reconstruction are reproduced in the NEMD computational approach which leads to the increase of system energy during simulation .

u6676u4f53u7684 u8868u9762 u5f1b u8c6bu548cu8868u9762u91cdu6784u73b0u8c61u5bfcu81f4u4e86MDu6a21u62dfu4e2du4f53u7cfbu603bu5185u80fdu7684u5347u9ad8u3002

The nuclear magnetic relaxation course of rocks are affected by three different kinds of mechanisms such as free relaxation surface relaxation and diffuse relaxation .

u5ca9u77f3u6838u78c1u5f1bu8c6bu8fc7u7a0bu53d7u5230u81eau7531u5f1bu8c6bu3001 u8868u9762 u9a70 u8c6bu548cu6269u6563u5f1bu8c6b3u79cdu673au5236u7684u5f71u54cdu3002

The Surface Electronic States of Anomalous Relaxation BN ( 110 ) Surface

BNuff08110uff09 u5f1b u8c6b u8868u9762u7535u5b50u7ed3u6784u7684u7406u8bbau7814u7a76

Monte Carlo Simulation of Liquid Self-diffusion with Surface Relaxation

u5177u6709 u8868u9762 u5f1b u8c6bu7684u6db2u4f53u81eau6269u6563u7684MonteCarlou6a21u62df

Density Functional Theory Study on TiO_2 ( 110 ) Surface Relaxation

TiO2uff08110uff09 u8868u9762 u5f1b u8c6bu7684u5bc6u5ea6u6cdbu51fdu7406u8bbau7814u7a76

It is found that the surface multilayer relaxation can be predicted as long as the charge distribution information of the given metal is available .

u6587u4e2du7684u7ed3u679cu8868u660euff0cu53eau8981u83b7u5f97u6709u5173u91d1u5c5eu7684u7535u8377u5206u5e03u8d44u6599u5373u80fdu9884u8a00u8be5u91d1u5c5eu7684 u8868u9762u591au5c42 u5f1b u8c6bu3002

The results of the band structure calculation show that the main components of the surface state in DOS located near or crossed by EF are dxz / dyz orbitals of the surface metal atoms and the influence of the surface relaxation on this state has been studied .

u7531u80fdu5e26u8ba1u7b97u7ed3u679cu5f97u77e5uff0cu7d27u90bbu6216u88abEFu7a7fu8d8au7684u6d3bu6027u8868u9762u6001u6210u5206u5747u4e3a u8868u9762u91d1u5c5eu539fu5b50u7684 dxz/dyzu8f68u9053u3002

The calculating examples show that the method to simulate the curved surface is simple and has a good applicability the dynamic relaxation method to calculate the geodesic line on the curved surface is highly practical and has high precision .

u5206u6790u7ed3u679cu8868u660e u66f2u9762u6a21u62dfu65b9u6cd5u9002u7528u6027u5f3auff0cu7b80u5355u65b9u4fbfuff0cu7528u52a8u529b u677eu9a70u6cd5u8ba1u7b97u77edu7a0bu7ebfu7cbeu5ea6u9ad8u3001u5b9eu7528u6027u5f3au3002

Atomic force microscopy ( FAM ) and the surface pressure relaxation technique were employed to characterize the properties of oppositely charged polymer / surfactant complex films formed on the air / water interface .

u5229u7528u539fu5b50u529bu663eu5faeu955cu6280u672fu3001 u8868u9762u538b u677eu5f1bu6cd5u5bf9u5e26u76f8u53cdu7535u8377u9ad8u5206u5b50u548cu8868u9762u6d3bu6027u5242u5728u6c14/u6c34u754cu9762u5f62u6210u7684u754cu9762u590du5408u7269u819cu8fdbu884cu4e86u7279u6027u7814u7a76u3002

Meanwhile gate lag results show that the recovery time of surface potential is dominated by relaxation time of lossy dielectric on surface .

u540cu65f6uff0cu5bf9u6805u5ef6u8fdfu6d4bu8bd5u6570u636eu7684u5206u6790u8868u660euff0c u8868u9762u6001u4fd8u83b7u7535u5b50u7684 u91cau653e u901fu5ea6u7531u8868u9762u6709u635fu4ecbu8d28 u9a70 u8c6bu65f6u95f4u51b3u5b9auff1b

The surface status structure relaxation and crystallization process of Fe_ ( 35 ) Ni_ ( 15 ) B_ ( 26 ) nanometer metglas produced by chemical reduction method were investigated by using X-ray photoelectron spectroscopy and Mossbauer spectroscopy .

u7528Xu5c04u7ebfu5149u7535u5b50u80fdu8c31u3001u7a46u65afu5821u5c14u8c31u5b66u7b49u624bu6bb5u7814u7a76u4e86u7528u5316u5b66u8fd8u539fu6cd5u5236u5907u7684u7eb3u7c73u91d1u5c5eu73bbu7483uff08Feuff0835uff09Niuff0815uff09Buff0826uff09uff09u7684 u8868u9762u72b6u6001u3001u7ed3u6784 u5f1b u8c6bu53cau6676u5316u8fc7u7a0bu3002

The compositive impact of size effect surface effect dislocation slip and relaxation explains the reason why the single crystalline nano-copper cantilever beam has different mechanical properties in nanoscales from that in macroscopical scales .

u5c3au5bf8u6548u5e94u548c u8868u9762u6548u5e94u7684u5f71u54cduff0cu4ee5u53cau4f4du9519u6ed1u79fbu548c u5f1b u8c6bu7684u7efcu5408u4f5cu7528uff0cu4f7fu5f97u7eb3u7c73u5355u6676u94dcu60acu81c2u6881u5728u7eb3u7c73u5c3au5ea6u4e0bu8868u73b0u51fau4e0eu5b8fu89c2u5c3au5ea6u4e0bu4e0du540cu7684u529bu5b66u7279u6027u3002

The results show that the electronic structure of the first surface layer consisting exclusively of oxygen atoms because of strong surface relaxation can be characterized by oxygen surface states .

u7531u4e8eu8f83u5927u7684 u8868u9762 u5f1b u8c6buff0cu4f7fu5f97u6c27u539fu5b50u5168u90e8u66b4u9732u4e8eu57fau7247u6700u5916u8868u9762uff0cu660eu663eu5730u8868u73b0u51faOu539fu5b50u7535u5b50u8868u9762u6001uff1b

Calculated results reveal that the surface energy of Cu ( 111 ) is lowest and the relaxation is smallest which also agree well with the experimental results .

u8ba1u7b97u7ed3u679cu8868u660euff0cu5728u94dcu7684u51e0u4e2au4f4eu7ef4u6307u6570 u9762u4e2duff0cCuuff08111uff09 u9762u7684 u8868u9762u80fdu6700u4f4euff0c u9a70 u8c6bu91cfu6700u5c0fuff0cu4e0eu5b9eu9a8cu89c2u5bdfu5230u7684u73b0u8c61u5b8cu5168u543bu5408uff1b

A two-layer quasi-geostrophic model forced by surface friction and radiative relaxation is used to study numerically the phenomenon of subcritical instability in baroclinic atmosphere .

u5229u7528u4e00u4e2au7531 u8868u9762u6469u64e6u548cu8f90u5c04 u5f20u5f1bu5f3au8febu9a71u52a8u7684u659cu538bu51c6u5730u8f6cu4e24u5c42u6a21u5f0fu4f5cu6570u503cu8bd5u9a8cuff0cu6765u7814u7a76u659cu538bu5927u6c14u4e2du7684u4e9au4e34u754cu4e0du7a33u5b9au73b0u8c61u3002

However the low surface relaxation energy indicates that ( 001 ) surface of u03b4 - Pu is rather stable .

u8868u5c42u539fu5b50u5411u5185u6536u7f29270%uff0cu7136u800cuff0cu7531u4e8e u8868u9762 u5f1b u8c6bu80fdu5f88u5c0fuff0cu03b4-u949auff08001uff09u9762u76f8u5f53u7a33u5b9au3002

In this article we have studied the surface structure relaxation and oxygen absorbed c ( 2 u00d7 2 ) Cu ( 001 ) surface by using ab initio projector augmented wave and Car_Parinello method .

u7528u6295u5f71u5b50u7f00u52a0u6ce2u548cCPu5206u5b50u52a8u529bu5b66u65b9u6cd5u7814u7a76u4e86u8d35u91d1u5c5eCuuff08001uff09u9762u7684 u8868u9762u7ed3u6784u3001 u5f1b u8c6bu4ee5u53caOu539fu5b50u7684cuff082u00d72uff09u5438u9644u72b6u6001u3002

Furthermore the surface pressure relaxation revealed that the conformational changes of interface complexes are directly related to the stability of the films .

u8868u9762u538b u677eu5f1bu5b9eu9a8cu5219u8fdbu4e00u6b65u8868u660eu754cu9762u590du5408u7269u819cu5f62u8c8cu7ed3u6784u7684u53d8u5316u5bf9u5176u819cu7a33u5b9au6027u6709u76f4u63a5u7684u5f71u54cdu3002

In order to find the minimum curve surface of membrane structures the nonlinear finite element method was adopted to get approximate surface then the dynamic relaxation method was used on the approximate surface to get an accuracy surface .

u5bf9u819cu7ed3u6784u7684u6700u5c0fu66f2u9762u7684u786eu5b9au95eeu9898uff0cu672cu6587u9996u5148u91c7u7528u975eu7ebfu6027u6709u9650u5143u683cu5f0fu6c42u5f97u521du59cbu8fd1u4f3c u66f2u9762uff0cu7136u540eu5728u6b64u66f2u9762u4e0au91c7u7528u52a8u529b u677eu5f1bu683cu5f0fu5f97u5230u6700u5c0fu66f2u9762u3002