4 * this program tries helping to understand the amorphous depuration
5 * and recrystallization of SiCx while ion implanation. hopefully the program
6 * will simulate the stabilization of the selforganizing structure in the
10 * - J. K. N. Lindner. Habilationsschrift, Universitaet Augsburg.
11 * - Maik Haeberlen. Diplomarbeit, Universitaet Augsburg.
18 #include <sys/types.h>
28 #define MAKE_AMORPH(N) *(N)|=AMORPH
29 #define MAKE_CRYST(N) *(N)&=~AMORPH
35 puts("-n \t\t no user interaction");
36 printf("-a <value> \t slope of nuclear energy loss (default %f)\n",A_EL);
37 printf("-b <value> \t nuclear energy loss offset (default %f)\n",B_EL);
38 printf("-x <value> \t # x cells (default %d)\n",X);
39 printf("-y <value> \t # x cells (default %d)\n",Y);
40 printf("-z <value> \t # x cells (default %d)\n",Z);
42 printf("-X <value> \t display x (default %d)\n",X/2-1);
43 printf("-Y <value> \t display y (default %d)\n",Y/2-1);
44 printf("-Z <value> \t display z (default %d)\n",Z/2-1);
46 printf("-s <value> \t steps (default %d)\n",STEPS);
47 printf("-d <value> \t refresh display (default %d)\n",REFRESH);
48 printf("-r <value> \t amorphous influence range (default %d)\n",RANGE);
49 printf("-f <value> \t pressure = <value> * 1/distance^2 (default %f)\n",A_AP);
50 printf("-p <value> \t pressure offset (default %f)\n",B_AP);
51 printf("-A <value> \t slope of linear c distribution (default %f)\n",A_CD);
52 printf("-B <value> \t linear c distribution offset (default %f)\n",B_CD);
53 printf("-C <value> \t initial c concentration (default %d)\n",CC);
54 puts("-L <file> \t load from file");
55 puts("-S <file> \t save to file");
56 puts("-R <file> \t read from random file");
61 int process_cell(d3_lattice *d3_l,u32 x,u32 y,u32 z,int r,double a,double b,int *t_c)
68 thiz=d3_l->status+x+y*d3_l->max_x+z*d3_l->max_x*d3_l->max_y;
69 conc=d3_l->extra+x+y*d3_l->max_x+z*d3_l->max_x*d3_l->max_y;
77 if(*(d3_l->status+((x+d3_l->max_x+i)%d3_l->max_x)+((y+d3_l->max_y+j)%d3_l->max_x)*d3_l->max_x+z*d3_l->max_x*d3_l->max_y)&AMORPH) p+=a*URAND_MAX/(i*i+j*j);
83 if(get_rand(URAND_MAX)<=p)
90 /* assume 1-p probability */
91 if(get_rand(URAND_MAX)>p)
101 int distrib_c(d3_lattice *d3_l,int t_c,double a,double b)
103 int i,j,k,total,area;
109 area=d3_l->max_x*d3_l->max_y;
110 area_h=(int *)malloc(d3_l->max_z*sizeof(int));
113 sum=b*d3_l->max_z+a*d3_l->max_z*(d3_l->max_z+1)/2;
114 for(i=0;i<d3_l->max_z;i++)
119 if(!(*(d3_l->status+(i*area)+j)&AMORPH))
124 temp=(int)((i+1)*a+b)*t_c/(sum*area_h[i]);
127 if(!(*(d3_l->status+(i*area)+j)&AMORPH))
129 *(d3_l->extra+(i*area)+j)=temp;
133 left=(int)(((i+1)*a+b)*t_c/sum)%area_h[i];
136 x=get_rand(d3_l->max_x);
137 y=get_rand(d3_l->max_y);
138 if(!(*(d3_l->status+(i*area)+x+y*d3_l->max_x)&AMORPH))
140 *(d3_l->extra+(i*area)+x+y*d3_l->max_x)+=1;
149 x=get_rand(d3_l->max_x);
150 y=get_rand(d3_l->max_y);
151 z=get_rand_lgp(d3_l->max_z,a,b);
152 if(!(*(d3_l->status+x+y*d3_l->max_x+z*area)&AMORPH))
154 *(d3_l->extra+x+y*d3_l->max_x+z*area)+=1;
163 int save_to_file(char *sf,d3_lattice *d3_l,info *my_inf)
167 if((sf_fd=open(sf,O_WRONLY|O_CREAT))<0)
169 puts("cannot open save file");
172 if(write(sf_fd,d3_l,sizeof(d3_lattice))<sizeof(d3_lattice))
174 puts("failed saving d3 lattice struct");
177 if(write(sf_fd,my_inf,sizeof(info))<sizeof(info))
179 puts("failed saving info struct");
182 c=d3_l->max_x*d3_l->max_y*d3_l->max_z;
183 if(write(sf_fd,d3_l->status,c*sizeof(unsigned char))<c*sizeof(unsigned char))
185 puts("failed saving status of d3 lattice sites");
188 if(write(sf_fd,d3_l->extra,c*sizeof(int))<c*sizeof(int))
190 puts("failed saving sites concentration");
198 int load_from_file(char *lf,d3_lattice *d3_l,info *my_inf)
202 if((lf_fd=open(lf,O_RDONLY))<0)
204 puts("cannot open load file");
207 if(read(lf_fd,d3_l,sizeof(d3_lattice))<sizeof(d3_lattice))
209 puts("failed reading d3 lattice struct");
212 if(read(lf_fd,my_inf,sizeof(info))<sizeof(info))
214 puts("failed reading info struct");
217 c=d3_l->max_x*d3_l->max_y*d3_l->max_z;
218 if((d3_l->status=(unsigned char*)malloc(c*sizeof(unsigned char)))==NULL)
220 puts("cannot allocate status buffer");
223 if((d3_l->extra=(int *)malloc(c*sizeof(int)))==NULL)
225 puts("cannot allocate concentration buffer");
228 if(read(lf_fd,d3_l->status,c*sizeof(unsigned char))<c*sizeof(unsigned char))
230 puts("failed reading status of d3 lattice sites");
233 if(read(lf_fd,d3_l->extra,c*sizeof(int))<c*sizeof(int))
235 puts("failed reading sites concentration");
243 int main(int argc,char **argv)
245 u32 max_x,max_y,max_z,x,y,z,x_c,y_c,z_c;
246 int i,quit,escape,nowait;
248 char s_file[MAX_CHARS];
249 char l_file[MAX_CHARS];
250 char r_file[MAX_CHARS];
254 char status_txt[MAX_TXT];
255 char conc_txt[MAX_TXT];
256 char steps_txt[MAX_TXT];
257 char cc_txt[MAX_TXT];
260 char ap_txt[MAX_TXT];
261 char el_txt[MAX_TXT];
262 char cd_txt[MAX_TXT];
264 char ap2_txt[MAX_TXT];
265 char cd2_txt[MAX_TXT];
266 char el2_txt[MAX_TXT];
267 char *arg_v[MAX_ARGV];
304 my_info.a_el=atof(argv[++i]);
307 my_info.b_el=atof(argv[++i]);
310 max_x=atoi(argv[++i]);
313 max_y=atoi(argv[++i]);
316 max_z=atoi(argv[++i]);
330 my_info.steps=atoi(argv[++i]);
333 refresh=atoi(argv[++i]);
336 my_info.range=atoi(argv[++i]);
339 my_info.a_ap=atof(argv[++i]);
342 my_info.b_ap=atof(argv[++i]);
345 my_info.a_cd=atof(argv[++i]);
348 my_info.b_cd=atof(argv[++i]);
351 my_info.cc=atoi(argv[++i]);
354 strcpy(l_file,argv[++i]);
357 strcpy(s_file,argv[++i]);
360 strcpy(r_file,argv[++i]);
375 if(!strcmp(r_file,"")) rand_init(NULL);
376 else rand_init(r_file);
378 if(!strcmp(l_file,""))
381 d3_lattice_init(&argc,argv,&d3_l,max_x,max_y,max_z);
382 if((d3_l.status=(unsigned char *)malloc(i*sizeof(unsigned char)))==NULL)
384 puts("failed allocating status buffer");
387 memset(d3_l.status,0,i*sizeof(unsigned char));
388 if((d3_l.extra=(int *)malloc(i*sizeof(int)))==NULL)
390 puts("failed allocating concentration buffer");
393 memset(d3_l.extra,0,i*sizeof(int));
396 load_from_file(l_file,&d3_l,&my_info);
397 d3_lattice_init(&argc,argv,&d3_l,d3_l.max_x,d3_l.max_y,d3_l.max_z);
400 d3_event_init(&d3_l);
402 strcpy(a_txt,"args:");
403 sprintf(s_txt,"steps: %d",my_info.steps);
404 sprintf(r_txt,"pressure range: %d",my_info.range);
405 sprintf(ap_txt,"pressure faktor: %.2f",my_info.a_ap);
406 sprintf(ap2_txt,"pressure offset: %.2f",my_info.b_ap);
407 sprintf(el_txt,"energy loss slope: %.2f",my_info.a_el);
408 sprintf(el2_txt,"energy loss offset: %.2f",my_info.b_el);
409 sprintf(cd_txt,"c distrib slope: %.2f",my_info.a_cd);
410 sprintf(cd2_txt,"c distrib offset: %.2f",my_info.b_cd);
420 arg_v[10]=steps_txt;;
435 if(!strcmp(l_file,""))
438 while((i<my_info.steps) && (quit==0) && (escape==0))
440 x_c=get_rand(d3_l.max_x);
441 y_c=get_rand(d3_l.max_y);
442 z_c=get_rand_lgp(d3_l.max_z,my_info.a_el,my_info.b_el);
443 distrib_c(&d3_l,my_info.cc,my_info.a_cd,my_info.b_cd);
444 process_cell(&d3_l,x_c,y_c,z_c,my_info.range,my_info.a_ap,my_info.b_ap,&(my_info.cc));
447 sprintf(x_txt,"x: %d",x+1);
448 sprintf(y_txt,"y: %d",y+1);
449 sprintf(z_txt,"z: %d",z+1);
450 sprintf(status_txt,"status: %c",(*(d3_l.status+x+y*d3_l.max_x+z*d3_l.max_x*d3_l.max_y)&AMORPH)?'a':'c');
451 sprintf(conc_txt,"conc: %d",*(d3_l.extra+x+y*d3_l.max_x+z*d3_l.max_x*d3_l.max_y));
452 sprintf(steps_txt,"step: %d",i);
453 sprintf(cc_txt,"total c: %d",my_info.cc);
454 d3_lattice_draw(&d3_l,x,y,z,23,arg_v);
455 // scan_event(&d3_l,&x,&y,&z,&quit,&escape);
461 if(strcmp(s_file,"")) save_to_file(s_file,&d3_l,&my_info);
463 while((quit==0) && (escape==0) && (nowait==0))
465 sprintf(x_txt,"x: %d",x+1);
466 sprintf(y_txt,"y: %d",y+1);
467 sprintf(z_txt,"z: %d",z+1);
468 sprintf(status_txt,"status: %c",(*(d3_l.status+x+y*d3_l.max_x+z*d3_l.max_x*d3_l.max_y)&AMORPH)?'a':'c');
469 sprintf(conc_txt,"conc: %d",*(d3_l.extra+x+y*d3_l.max_x+z*d3_l.max_x*d3_l.max_y));
470 strcpy(steps_txt,"step: end!");
471 sprintf(cc_txt,"total c: %d",my_info.cc);
472 d3_lattice_draw(&d3_l,x,y,z,23,arg_v);
473 scan_event(&d3_l,&x,&y,&z,&quit,&escape);